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Coefficient of Conservatism 
Rankings for the 
Flora of Montana: Part II 



Prepared for: 

Montana Department of Environmental Quality 


Prepared by: 

Andrea Pipp 

Montana Natural Heritage Program 

A program of the 

Montana State Library's Natural Resource Information System 
that is operated by the University of Montana. 

May 20, 2016 



MONTANA 

Natural Heritage 
Program 












Coefficient of Conservatism 
Rankings for the 
Flora of Montana: Part II 

Prepared for: 

Montana Department of Environmental Quality 
1520 East 6th Ave; Helena MT 59620 

Agreement #216016 

Prepared by: 

Andrea Pipp 




,tate 


iDrary 


MONTANA 

Natural Heritage 
Program 


^ UNIVERSITY OF 

y MONTANA 


© 2016 Montana Natural Heritage Program 
P.O. Box 201800 • 1515 East Sixth Ave • Helena, MT 59620-1800 


This doeument should be eited as follows: 

Pipp, Andrea. 2016. Coeffieient of Conservatism Rankings for the Elora of Montana: Part II. 
Report to the Montana Department of Environmental Quality, Helena, Montana. Prepared by 
the Montana Natural Heritage Program, Helena, Montana. 75 pp. 




Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


Table of Contents 


EXECUTIVE SUMMAR Y. . i 

A CKNO WLEDGEMENTS . i 

1,0 INTRODUCTION.1 

2,0 METHODS.2 

2.1 Expert Panel.2 

2.2 Coefficient of Conservatism Values.2 

3,0 SUMMARY.4 

4,0 REFERENCES.6 


TABLES 

Table 1 Botanical and ecological experts serving on the 2016 Coefficient of Conservatism 

panel. 

Table 2 Summary of Coefficient of Conservatism scoring definitions used by the 2016 and 
2016 Montana panels and adopted from Zomlefer et al. 2013. 

Table 3 Criteria used by the 2015 and 2016 Montana panel to help assign C-values more 

consistently. 

APPENDICES 

Appendix A Dichotomous Key for Coefficient of Conservatims Rankings 
Appendix B 2013 Montana Vascular Plant Checklist with C-values and Origins 


Cover Photograph Credits (left to right) 

Epipactis helleborine, C-value 1: Photographed by Sue Crispin. 

Amelanchier alnifolia, C-value 4: Photographed by Sue Crispin. 

Achillea millifolium, C-value 3: Photographed by Drake Barton. 

Pinus monticola, C-value 6: Photographed by Craig Althen. 

Saxifraga chrysantha, C-value 9: Photographed by Wildflowers-photos.com. 











Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


Executive Summary 


Species and land conservation requires the ability to assess natural areas. The Floristic Quality 
Assessment Index (FQAI) is a tool that uses plants to make standardized comparisons among 
open land areas, to set conservation priorities, to monitor project areas, and to restore habitats. 
The basic component of the FQAI is the assignment of a coefficient of conservatism (C-) value 
to individual plant species. For a given geography, C-values reflect the plant’s tolerance to 
natural and/or human disturbance and its affinity to a specific, unimpaired habitat. The 
Coefficient of Conservatism Rankings for the Flora ofMontana: Part I report detailed the 
process, methodology, and results used by the Montana Natural Heritage Program (MTNHP) in 
2004-2005 and 2015 to assign C-values to 1,412 plant taxa. This report is part II in the process 
for assigning Coefficient of Conservatism values to Montana’s plants. The 2016 panel of 
botanical and ecological experts with field-based knowledge of Montana’s flora evaluated 316 
plant taxa (species, varieties, subspecies, or hybrids) that lacked a C-value, is known or reported 
to occur in Montana, and is listed on the 2014 U.S. Army Corps of Engineers (COE) Regional 
Wetland Plant Eists for the Western Mountains, Valleys, and Coast; Arid West; and Great Plains. 
In the process these species were also re-examined to determine their presence and their origin 
(native or exotic) in Montana. Of the 316 plants: a) 211 plants were assigned a C-value, b) 70 
plants were not assigned a C-value because more information on the plant’s habitat and response 
to disturbance is needed, its taxonomy needs to be understood, or its presence in Montana needs 
to be confirmed, and c) 33 plants were documented to not be present (at this time) in Montana. 
Across all years, 1,623 Montana plant taxa have an assigned C-value. Approximately 948 plant 
species still lack a C-value assignment and funding opportunities will be sought. 


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Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


ACKNOWLEDGMENTS 

This project was funded by the Montana Department of Environmental Quality. We would like 
to thank Lynda Saul for her enthusiasm to develop Coefficient of Conservatism values for plants 
in Montana, and Jordan Tollefson for leading the MTDEQ wetland program. Thank you to the 
Ecologists and Botanists who passionately share their knowledge of and experiences with our 
vascular plants in Montana: Drake Barton, Stephen Cooper, Peter Husby, Marc Jones, Peter 
Eesica, Tara Euna, Mary Manning, Scott Mincemoyer, Karen Newlon, John Pierce, Ken Scow, 
and Steve Shelly. Any errors or omissions in the report are entirely the responsibility of the 
author. 



Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


1.0 Introduction 

Conservation of our species and landscapes is accomplished through land preservation, habitat 
restoration, and development of effective management techniques. Species and land 
conservation requires the ability to assess natural areas. The Floristic Quality Assessment Index 
(FQAI) is a tool that uses plants to make standardized comparisons among open land areas, to set 
conservation priorities, to monitor project areas, and to restore habitats (Wilhelm and Masters 
1995). A key component of using FQAI is to assign a Coefficient of Conservatism (C-) value to 
an individual plant species that is specific to a defined geography. This report is part II in the 
process for assigning Coefficient of Conservatism values to Montana’s plants. It outlines the 
practical uses of FQAI, defines the process used by the Montana Natural Heritage Program 
(MTNHP) to assign C-values to plants in Montana, and provides the C-values data. 

It is commonly accepted that plants and animals occupy habitats to which they are adapted 
(Wilhelm and Masters 1995). European settlement in North America has resulted in large and 
rapid changes to our native biological systems and processes. These changes include: a) the loss 
of conservative plants, those species that co-occur (to create diversity) and are suited to long¬ 
term inhabitancy, and b) the increase of exotic species that perpetuate with catastrophic 
disturbance or cultural activities. As a result, landscapes in Montana are a mosaic of intact 
systems and fragmented lands in varying states of degradation. Plants exhibit varying degrees of 
tolerance to disturbance and also display varying degrees of affinity (or fidelity) to a specific 
habitat integrity (the state of being unimpaired habitat) (Wilhelm and Masters 1995). 

For a given geography, the C-value reflects the plant species’ tolerance to natural and/or human 
disturbance and its fidelity to a habitat, and is scaled from 0 to 10. Plants assigned a value of 0 
are habitat generalists that respond positively to disturbance while plants assigned a value of 10 
occur in very specialized habitats and are intolerant of disturbance. The assigned C-value is not 
a reflection of the plant’s density, apparent dominance, or frequency within the defined 
geographical area (Wilhelm and Masters 1995). Collectively, C-values are incorporated into 
community-based site assessment methods, such as FQAI (Zomlefer et al. 2013). The FQAI 
method is used by government agencies and private consulting firms to: 1) identify natural areas, 
2) facilitate comparisons among different sites (regardless of the habitat type), 3) conduct long¬ 
term monitoring of the quality of remnant lands, and 4) guide restoration efforts (Zomlefer et al. 
2013; Wilhelm and Masters 1995). 

Most commonly, government agencies and private consulting firms have used FQAI to monitor 
wetland conditions in compliance with Section 305(b) of the Clean Water Act. Organizations 
are also using FQAI and C-values in long-term ecological inventories, to develop baseline 
conditions, and to set habitat or vegetation targets in restoration projects. To facilitate the use of 
FQAI and C-value indices in Montana, it is necessary to develop C-values that reflect the 
species’ response to environmental conditions in Montana. In 2004-2005, 2015, and 2016 the 
MTNHP assembled a panel of botanical and ecological experts to assign C-values to Montana’s 
plant species. The emphasis was to rank the species found in Montana that also occur on the 
U.S. Army Corps of Engineers National Wetland Plant Eist, and to rank exotic species. This 
project supports the primary objective of the Clean Water Act which is to “maintain and restore 
the chemical, physical, and biological integrity of the Nation’s waters”, including wetlands 


Montana Natural Heritage Program 


1 



Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


(Federal Water Pollution Control Aet, Publie Law 92-500). To date, approximately 1,623 plant 
taxa have been assigned a C-value for Montana. The Coefficient of Conservatism Rankings for 
the Flora of Montana: /report speeifieally details the process, methodology, and results 

used in 2004-2005 and 2015. This report. Coefficient of Conservatism Rankings for the Flora of 
Montana: Part II provides the methods used in 2016 and the results across all years. 


2.0 Methods 

2.1 Expert Panel 

The standard methodology for assigning C-values uses an expert panel of botanists and 
ecologists familiar with the flora in question (Jones 2005; Rocchio 2007; and Zomlefer et al. 
2013). In 2016, the botanist of the MTNHP assembled a panel of botanical and ecological 
experts with field-based knowledge of Montana’s flora (Table 1). The emphasis in 2016 was to 
review plants that lacked a C-value, are known or reported to occur in Montana, and are listed on 
the 2014 U.S. Army Corps of Engineers (COE) Regional Wetland Plant Lists for the Western 
Mountains, Valleys, and Coast; Arid West; and Great Plains. The process also allowed the panel 
to re-examine the individual species’ presence in Montana and its probable origin (native or 
exotic in Montana). 

Table 1, Botanical and ecological experts serving on the 2016 Coefficient of Conservatism 

panel _ 

2016 Panel 

Drake Barton (Botanical Consultant) 

Peter Lesica (Botanical Consultant and Author) 

Tara Luna (Botanical Consultant) 

Scott Mincemoyer (Botanist) 

Andrea Pipp (Botanist for MTNHP) 

Ken Scow (Botanical Consultant) _ 


2.2 Coefficient of Conservatism Values 

The list of 316 plant species to assess in 2016 reflected the COE’s nomenclature and was given 
to each panel member to review independently. The panel met on April 13, 2016 to discuss each 
species collectively as a group and to work it through the Dichotomous Key for Coefficient of 
Conservatism Rankings (Zomlefer et al. 2013) (Table 2; Figure A-1 in Appendix A). 

Additional criteria were developed and agreed upon by the 2015 and 2016 panels. These 
additional criteria reflect Montana’s geography and helped improve consistency in assigning C- 
values across species and years (Table 3). Additional resources were used and included the 
knowledge of individual panel members for a particular species, published materials pertinent to 
vascular plants in Montana, and on-line databases [Consortium of Pacific Northwest Herbaria 
(University of Washington 2015), PLANTS database (USDA-NRCS 2016), and Flora of North 
America (Flora of North America Editorial Committee, eds. 1993+)]. The panel did not assign 
C-values to species that lacked sufficient information on distribution, habitat association, and/or 
tolerance to disturbance that is pertinent to Montana (Table 4 in Appendix B). 


Montana Natural Heritage Program 


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Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


Table 2, Summary of Coefficient of Conservatism scoring definitions used by the 2015 and 
2016 Montana panels and adopted from Zomlefer et al. 2013. See Appendix A for the 
Dichotomous Key for Coefficient of Conservatism Rankings upon which these definitions 
are based. 


Non-Native Montana Species _ 

0 invasive 

1 _ relatively benign _ 

Native Montana Species _ 

Opportunistic, Broad Ecological Tolerance 

2 exhibits a broad range of eeologieal toleranee and is more or less restrieted to areas of human 

_ disturb anee _ 

Non-Opportunistic, Intermediate Ecological Tolerance 

exhibits an intermediate range of eeologieal toleranee, typifies a stable phase of a native 
^ eommunity, and thrives and/or persists under natural or human disturbanee 

exhibits an intermediate range of eeologieal toleranee, typifies a stable phase of a native 
^ eommunity, and persists but does not thrive with some natural or human disturbanee 

exhibits an intermediate range of eeologieal toleranee, typifies a stable phase of a native 
^ eommunity, and persists but does not thrive with a little natural or human disturbanee 

Non-Opportunistic, Narrow Ecological Tolerance 

exhibits a moderate fidelity to a more or less narrow range of eeologieal toleranee, typifies a stable 
6 or near elimax eommunity, and tolerates limited natural or human disturbanee (unless surrogate for 

fire or other natural disturbanee) 

exhibits a moderate fidelity to a somewhat narrow range of eeologieal toleranee, typifies a stable or 
^ near elimax eommunity, and does not tolerate disturbanee 

exhibits a moderate fidelity to a narrow range of eeologieal toleranee, typifies a stable or near 
^ elimax eommunity, and does not tolerate disturbanee 

exhibits a high fidelity to a narrow range of eeologieal toleranee, typifies a stable or near elimax 
^ eommunity, and does not tolerate disturbanee 

exhibits a very high fidelity to a very narrow range of eeologieal toleranee that typifies a stable or 
near elimax eommunity and does not tolerate disturbanee 


Montana Natural Heritage Program 


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Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


Table 3, Criteria used by the 2015 and 2016 Montana panels to help assign C-values more 

consistently. _ 

_Montana Criteria Used to Assign C-values_ 

• Panel agreed that in Montana a species found in dry, upland habitat does not signify a “narrow range of 
ecological tolerance” (second (d) couplet), unless it is a very specific type of dry, upland habitat. In 
Montana an example of a dry, upland habitat that qualifies as a “narrow range of ecological tolerance” is 
a ‘sand blow-out’ whereby wind erodes areas of sandy soil creating a substrate suitable for particular 
species. 

• Panel agreed that in Montana a species found in wetland habitat may signify a “narrow range of 
ecological tolerance” (second (d) couplet). Native plants that are mostly found in very wet to always 
wet habitats (often rated by the COE as faculatative-wet (FACW) or obligate-wet (OBL)) and are not 
opportunistic often will signify a “narrow range of ecological tolerance”. For wetland associated species 
in Montana, the range of ecological tolerance becomes more narrow as the species’ requirement for 
being wet increases. Thus, an obligate (OBL) wetland plant often has a narrower ecological tolerance 
than does a facultative-wet (FACW) plant than does a facultative (FAC) plant. 

• In Montana, alpine habitat could be viewed as unique or as common. Many plants require alpine and/or 
sub-alpine conditions, yet this general habitat type is fairly common in Montana. Panel agreed that that 
a species found in alpine habitat did not always signify a “narrow range of ecological tolerance” (second 
(d) couplet), unless it is a very specific type of habitat or ecological condition within the alpine or 
subalpine zones. 

• Panel agreed that ‘alkaline soils’ represent a more ecologically narrow condition in Montana, and will 
usually classify the species into the second (d) couplet of the key. 

• Panel felt the plant’s reproductive strategy does indicate something about its resilience to disturbance. 

A rhizomatous plant might tolerate disturbance better than a taprooted plant. An annual plant might 
require disturbance to maintain its population. 

• Panel felt it was usefuly to examine life history characteristics when deciding between close C-values. 
How does the plant reproduce (vegetatively, rhizomes, seeds, etc.) with a prolonged change in 
hydrology? How does the plant regenerate if disturbed? Is the plant also limited by pollinators or 
climatic conditions to reproduce? 

• Panel decided that a hybrid species will not be assigned a C-value at this time. Lots of plants hydridize, 
but the characteristics of a hybrid are often not captured in herbarium specimens and botanical keys. 
Therefore, the response to disturbance or requirement for habitat is often not known. Most people lack 
the observational skill-set to recognize hybrids. Exceptions to this criterion were made for particular 
hybrids. 

• Panel usually did not assign a C-value to a plant that has 1-3 collections in Montana. Plants with few 
collections often have insufficient information to determine how the species responds to disturbance 
and/or what it requires for habitat. 

• Panel usually did not assign a C-value to a species represented only from very old collections. Plants 
collected from a long, long time ago may no longer be present and aren’t observed enough to really 

_ know how the species tolerates disturbance and/or what it requires for habitat. _ 


3.0 Summary 

In 2016, 316 plant taxa (species, varieties, subspecies, or hybrids) that occur on the National 
Wetland Plants Lists and are known, reported, or previously documented in literature to occur in 
Montana were evaluated. Of the 316 plants: a) a C-value was assigned to 211 plants accurately 
documented to occur in Montana, b) 49 plants could not be assigned a C-value because of too 
few Montana collections and/or lacked information regarding their habitat and/or response to 
disturbance, c) 10 plants are hybrids or have taxonomic problems and were not assigned a C- 
value, d) 13 plants are reported to occur in Montana, but verified specimens have not been found 


Montana Natural Heritage Program 


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Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


and the plant cannot be assigned a C-value, and e) 33 plants were not assigned a C-value after 
documented research indicated they are not present (at this time) in Montana. 

The 2016 panel also reviewed the origin of the 316 plant taxa in Montana. Discussions within 
the panel, a review of literature and on-line databases, and an examination of herbaria specimens 
resulted in a determination of (Montana) origin for 19 species. The previously 
‘unknown/undetermined’ origin changed to native or likely native for 17 species and to likely 
exotic for 2 species. The origin of a species in Montana represents MTNHP’s best guess, which 
is based on literature, herbarium records, and expert opinions; for some taxa experts will have 
opposing opinions. 

In 2005 and 2015, the MTNHP assigned C-values for 1,412 species or varieties. With the 2016 
assignments, 1,623 Montana plant taxa have an assigned C-value (Appendix B). Another 72 
plant taxa were evaluated but either more information on the plant’s habitat and response to 
disturbance is needed, its taxonomy needs to be understood, or its presence in Montana needs to 
be confirmed before a C-value can be assigned. For the majority of plant taxa, and for reasons 
not given in this publication, the Montana Natural Heritage Botany Program believes it is more 
realistic and reasonable to assign a C-value at the species level (as opposed to hybrids, varieties, 
and subspecies). For vascular plants in Montana, approximately 1,208 unique taxa or 
approximately 948 species still lack a C-value. 

The Montana Natural Heritage Botany Program has and will continue to house and maintain the 
C-value dataset (processes, database, and documentation). The methods and assigned C-values 
are available on the MTNHP website (http://mtnhp.org/). Future funding opportunities will 
continue to be explored in order to complete the assignment of C-values for the remaining 
approximate 948 plant species (Appendix B). 


Montana Natural Heritage Program 


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Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


4.0 References 


Andreas, B., J. Mack, and J. McCormac. 2004. Floristic quality assessment index (FQAI) for 
vascular plants and mosses for the State of Ohio. Ohio Environmental Protection 
Agency, Division of Surface Water, Wetland Ecology Group, Columbus, Ohio. 

Booth, W.E. 1950. Flora of Montana, Conifers and Monocots Part I. The Research 
Eoundation, Montana State University, Bozeman, Montana. 

Booth, W.E., and J.C. Wright. 1966. Flora of Montana, Dicotyledons Part II. Department of 
Botany and Microbiology, Montana State University, Bozeman, Montana. 

Dom, R. 1984. Vascular Plants of Montana. Mountain West Publishing, Cheyenne, Wyoming. 

Elora of North America Editorial Committee, eds. 1993+. Flora of North America North of 
Mexico. 18+volumes. New York and Oxford. 

Jones, M. 2005. A Vegetation Index of Biotic Integrity for Small-order Streams in Southwest 
Montana and a Eloristic Quality Assessment for Western Montana Wetlands. August. 
Prepared for Montana Department of Environmental Quality and U.S. Environmental 
Protection Agency, Helena, Montana. Prepared by Montana Natural Heritage Program, 
Helena, Montana. 

Eesica, P. 2012. Manual of Montana Vascular Plants. Brit Press, Port Worth, Texas. 

Eichvar, R.W., M. Butterwick, N.C. Melvin, and W.N. Kirchner. 2014. The National Wetland 
Plant Eist: 2014 Update of Wetland Ratings. Phytoneuron 2014-41:1-42 

Mincemoyer, Scott. 2013. 2013 Checklist of Montana Vascular Plants. June 3"^'*. Montana 
Natural Heritage Program, Helena, MT 

Rocchio, J. 2007. Eloristic Quality Assessment Indices for Colorado Plant Communities. 

Prepared for Colorado Department of Natural Resources, Division of Wildlife, Wetlands 
Program, and U.S. Environmental Protection Agency, Denver, Colorado. Prepared by 
Colorado Natural Heritage Program, Warner College of Natural Resources, Colorado 
State University, Port Collins, Colorado. 

Rydberg, P.A. 1900. Memoirs of the New York Botanical Gardens, Catalogue of the Flora of 
Montana and the Yellowstone National Park. Volume 1. Issued Pebruary 15*. New 
York. 

The Great Plains Elora Association. 1977. Atlas of the Elora of the Great Plains. T.M. Barkley, 
Editor. The Iowa State University Press, Ames, Iowa. 


Montana Natural Heritage Program 


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Coefficient of Conservatism Rankings for the Flora of Montana: Part II 


U.S. Department of Agrieulture - Natural Resourees Conservation Serviee (USDA-NRCS). 

2016. Queries eondueted from April-May of The PLANTS Database 
(http://plants.usda.gov), National Plant Data Team, Greensboro, North Carolina. 

University of Washington Herbarium and Burke Museum of Natural History and Culture. 2015. 
Plant speeimen data for Montana. Obtained on September 17*.from the Consortium of 
Paeifie Northwest Herbarium (http://pnwherbaria.org/), Seattle, Washington. 

Wilhelm, G. and L. Masters. 1995. Floristic Quality Assessment in the Chicago Region and 

Application Computer Programs. Revised, June. The Morton Arboretum, Lisle, Illinois. 

Zomlefer, W., L. Chafin, J. Carter, and D. Giannasi. 2013. Coefficient of Conservatism 

Rankings for the Flora of Georgia: Wetland Indicator Species. Southeastern Naturalist, 
12(4): 790-808. Eagle Hill Institute. 


Montana Natural Heritage Program 


1 



Appendix A 


Dichotomous Key for Coefficient of Conservatism Rankings 




Figure A-1, The Dichotomous Key for Coefficient of Conservatism Rankings, taken from 
Zomlefer, W., L. Chafin, J. Carter, and D. GiannasL 2013. Coefficient of Conservatism 
Rankings for the Flora of Georgia: Wetland Indicator Species. Southeastern Naturalist, 
12(4): 790-808. Eagle Hill Institute. 

Dichotomous Kev for Coefficient of Coiiservatisin Rnnkiiigs 

(a) Non-native species.(b) 

(b) invasive.rank 0 

(b) relatively benign.rank 1 

(a) Native species.(c) 

(c) opportunistic, broad range of ecological tolerance, more or less restricted 

to areas subject to human disturbance.rank 2 

(c) non-opportunistic. mtermediate to narrow range of ecological tolerance.(d) 

(d) mtermediate range of ecological tolerance, typifies a stable phase of 
some native community, thrives and/or persists under natural or 

human disturbance.(e) 

(e) persists and'or thrives under namral or human disturbance.rank 3 

(e) persists but does not thrive under linuted natural or human 

disturbance.(f) 

(f) persists with some disturbance.rank 4 

(f) persists with a little disturbance.rank 5 

(d) narrow range of ecological tolerance, typifies a stable or near 

climax community (includmg fire-dependent disclimax communities), 
tolerates little to no disturbance (unless surrogate for fire or other 

namral dismrbance).(g) 

(g) moderate fidelity to a narrow habitat requirement, may or may 

not tolerate limited disturbance.(h) 

(h) more or less narrow range of ecological tolerance, tolerates 

limited disturbance.rank 6 

(h) narrower range of ecological tolerance, does not tolerate 

dismrbance.(i) 

(i) somewhat narrow range of ecological tolerance.rank 7 

(i) narrow range of ecological tolerance.rank S 

(g) high fidelity to a narrow range of habitat requirement, does not 

tolerate dismrbance.(j) 

(j) narrow range of ecological tolerance, relatively high fidelity 

to a narrow range of habitat requirement.rank 9 

(j) very' narrow range of ecological tolerance, very high fidelity 

to a very' narrow range habitat requirement.rank 10 


A-1 























Appendix B 


2013 Montana Vascular Plant Checklist with C-values and Origins 





Table 4, The 2013 checklist of Montana vascular plants with selected synonyms and 
2015/2016 revised origins and C-values. 


FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE^ 

Pinaceae 

Abies grandis 

Native 

6 

Pinaceae 

Abies lasiocarpa 

Native 

4 

Nyctaginaceae 

Abronia fragrans 

Native 

- 

Malvaceae 

Abutilon theophrasti 

Exotie 

1 

Aceraceae 

Acer glabrum 

Native 

4 

Aceraceae 

Aeer negundo 

Native 

2 

Aceraceae 

Acer platanoides 

Exotic 

1 

Asteraceae 

Acbillea millefolium 

Native 

3 

Asteraceae 

Achillea nobilis 

Exotic 

1 

Asteraceae 

Achillea ptarmica 

Exotic 

1 

Ranunculaceae 

Aeonitum columbianum 

Native 

5 

Acoraceae 

Acorns americanus 

Native 

9 

Acoraceae 

Acorus calamus^ 


absent 

Asteraceae 

Acroptilon repens 

Exotic 

0 

Ranuneulaceae 

Aetaea rubra 

Native 

7 

Asteraceae 

Adenocaulon bicolor 

Native 

- 

Pteridaceae 

Adiantum aleuticum 

Native 

7 

Ranunculaceae 

Adonis aestivalis 

Exotic 

1 

Adoxaceae 

Adoxa moschatellina 

Native 

9 

Poaceae 

Aegilops cylindrica 

Exotic 

1 

Lamiaeeae 

Agastache eusickii 

Native 

- 

Lamiaceae 

Agastache foeniculum 

Native 

- 

Lamiaeeae 

Agastache urticifolia 

Native 

4 

Asteraceae 

Ageratina occidentalis 

Native 

- 

Asteraeeae 

Agoseris aurantiaea 

Native 

5 

Asteraceae 

Agoseris glauca 

Native 

4 

Asteraeeae 

Agoseris glauea var. dasycephala 

Native 

- 

Asteraceae 

Agoseris glauca var. glauca 

Native 

- 

Asteraeeae 

Agoseris grandiflora 

Native 

- 

Asteraceae 

Agoseris heterophylla 

Native 

- 

Asteraeeae 

Agoseris laeksehewitzii 

Native 

6 

Asteraceae 

Agoseris parviflora 

Native 

4 

Rosaceae 

Agrimonia gryposepala 

Native 

6 

Rosaceae 

Agrimonia striata 

Native 

4 

Poaeeae 

Agropyron cristatum 

Exotie 

0 

Caryophyllaceae 

Agrostemma githago 

Exotic 

1 

Poaceae 

Agrostis capillaris 

Exotic 

1 

Poaceae 

Agrostis exarata 

Native 

3 

Poaceae 

Agrostis gigantea 

Exotic 

0 

Poaeeae 

Agrostis humilis 

Podagrostis humilis^ 

Native 

8 

Poaceae 

Agrostis idahoensis 

Native 

4 

Poaceae 

Agrostis mertensii 

Native 

6 

Poaeeae 

Agrostis oregonensis 

Native 

6 

Poaceae 

Agrostis pallens 

Native 

6 

Poaceae 

Agrostis scabra 

Native 

2 

Poaeeae 

Agrostis stolonifera 

Exotie 

0 

Poaceae 

Agrostis thurberiana 

Native 

4 

Poaeeae 

Agrostis variabilis 

Native 

4 

Lamiaceae 

Ajuga reptans 

Exotic 

1 


B-1 


























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE^ 

Rosaceae 

Alchemilla xanthochlora 

Exotic 

1 

Alismataceae 

Alisma gramineum 

Native 

6 

Alismataceae 

Alisma triviale 

Native 

6 

Liliaceae 

Allium acuminatum 

Native 

- 

Liliaceae 

Allium brandegeei 

Unknown / 
Undetermined 

- 

Liliaceae 

Allium brevistylum 

Native 

6 

Liliaceae 

Allium canadense^ 


absent 

Liliaceae 

Allium ceruuum 

Native 

4 

Liliaceae 

Allium columbianum 

Native 

- 

Liliaceae 

Allium fibrillum 

Native 

- 

Liliaceae 

Allium geyeri 

Native 

4 

Liliaceae 

Allium geyeri var. geyeri 

Native 

- 

Liliaceae 

Allium geyeri var. tenerum 

Native 

- 

Liliaceae 

Allium parvum 

Native 

- 

Liliaceae 

Allium schoenoprasum 

Native 

6 

Liliaceae 

Allium simillimum 

Native 

- 

Liliaceae 

Allium textile 

Native 

- 

Ericaceae 

Allotropa virgata 

Native 

- 

Asteraceae 

Almutaster pauciflorus 

Native 

7 

Betulaceae 

Alnus incana 

Native 

6 

Betulaceae 

Alnus rubra 

Native 

- 

Betulaceae 

Alnus viridis 

Native 

6 

Poaceae 

Alopecurus aequalis 

Native 

4 

Poaceae 

Alopecurus arundinaceus 

Exotic 

0 

Poaceae 

Alopecurus carolinianus 

Native 

4 

Poaceae 

Alopecurus geniculatus 

Exotic 

1 

Poaceae 

Alopecurus magellanicus 

Native 

6 

Poaceae 

Alopecurus pratensis 

Exotic 

0 

Brassicaceae 

Alyssum alyssoides 

Exotic 

0 

Brassicaceae 

Alyssum desertorum 

Exotic 

0 

Brassicaceae 

Alyssum simplex 

Exotic 

0 

Amaranthaceae 

Amarauthus albus 

Likely Exotic 

1 

Amaranthaceae 

Amarauthus areuicola 

Likely Exotic 

1 

Amaranthaceae 

Amaranthus blitoides 

Native 

2 

Amaranthaceae 

Amarauthus californicus 

Unknown / 
Undetermined 

7 

Amaranthaceae 

Amaranthus hybridus 

Exotic 

1 

Amaranthaceae 

Amaranthus powellii 

Unknown / 
Undetermined 

- 

Amaranthaceae 

Amaranthus retroflexus 

Native 

2 

Amaranthaceae 

Amaranthus tuberculatus 

Exotic 

1 

Asteraceae 

Ambrosia acanthicarpa 

Native 

- 

Asteraceae 

Ambrosia artemisiifolia 

Native 

- 

Asteraceae 

Ambrosia psilostachya 

Native 

3 

Asteraceae 

Ambrosia tomentosa 

Native 

- 

Asteraceae 

Ambrosia trifida 

Native 

2 

Rosaceae 

Amelauchier aluifolia 

Native 

4 

Malvaceae 

Alcea rosea 

Exotic 

1 


B-2 























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Rosaceae 

Amelanchier utahensis 

Native 

4 

Orchidaceae 

Amerorchis rotundifolia 

Native 

10 

Lythraceae 

Ammannia robusta 

Native 

6 

Fabaceae 

Amorpha canescens 

Native 

- 

Cyperaceae 

Amphiscirpus nevadensis 

Native 

9 

Boraginaceae 

Amsinckia lycopsoides 

Native 

- 

Boraginaceae 

Amsinckia menziesii 

Exotic 

- 

Myrsinaceae 

Anagallis arvensis 

Exotic 

1 

Asteraceae 

Anaphalis margaritacea 

Native 

3 

Boraginaceae 

Anchusa arvensis 

Exotic 

1 

Boraginaceae 

Anchusa azurea 

Exotic 

1 

Boraginaceae 

Anchusa officinalis 

Exotic 

1 

Poaceae 

Andropogon gerardii 

Native 

4 

Poaceae 

Andropogon hallii 

Native 

- 

Primulaceae 

Androsace chamae.jasme 

Native 

7 

Primulaceae 

Androsace filiformis 

Native 

2 

Primulaceae 

Androsace occidentalis 

Native 

3 

Primulaceae 

Androsace septentrionalis 

Native 

3 

Ranunculaceae 

Anemone canadensis 

Native 

4 

Ranunculaceae 

Anemone cylindrica 

Native 

- 

Ranunculaceae 

Anemone drummondii var. lithophila 

Native 

- 

Ranunculaceae 

Anemone multifida 

Native 

- 

Ranunculaceae 

Anemone multifida var. multifida 

Native 

- 

Ranunculaceae 

Anemone multifida var. tetonensis 

Native 

- 

Ranunculaceae 

Anemone occidentalis 

Native 

- 

Ranunculaceae 

Anemone parviflora 

Native 

6 

Ranunculaceae 

Anemone patens 

Native 

- 

Ranunculaceae 

Anemone piperi 

Native 

5 

Apiaceae 

Angelica arguta 

Native 

5 

Apiaceae 

Angelica dawsonii 

Native 

7 

Apiaceae 

Angelica pinnata 

Native 

4 

Apiaceae 

Angelica roseana 

Native 

- 

Asteraceae 

Antennaria alpina 

Native 

9 

Asteraceae 

Antennaria anaphaloides 

Native 

4 

Asteraceae 

Antennaria aromatica 

Native 

7 

Asteraceae 

Antennaria corymbosa 

Native 

6 

Asteraceae 

Antennaria densifolia 

Native 

9 

Asteraceae 

Antennaria dimorpha 

Native 

4 

Asteraceae 

Antennaria howellii 

Native 

4 

Asteraceae 

Antennaria lanata 

Native 

7 

Asteraceae 

Antennaria luzuloides 

Native 

4 

Asteraceae 

Antennaria media 

Native 

5 

Asteraceae 

Antennaria microphylla 

Native 

4 

Asteraceae 

Antennaria monocephala 

Native 

8 

Asteraceae 

Antennaria neglecta 
syn. A. howellii 

Native 

4 

Asteraceae 

Antennaria parvifolia 

Native 

4 

Asteraceae 

Antennaria pulcherrima 

Native 

7 

Asteraceae 

Antennaria racemosa 

Native 

4 

Asteraceae 

Antennaria rosea 

Native 

4 


B-3 
























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Asteraceae 

Antennaria umbrinella 

Native 

4 

Asteraceae 

Anthemis arvensis 

Exotic 

1 

Asteraceae 

Anthemis cotula 

Exotic 

1 

Asteraceae 

Anthemis tinctoria 

Exotic 

1 

Poaceae 

Anthoxanthum hirtum 

Native 

8 

Poaceae 

Anthoxanthum odoratum 

Exotic 

1 

Apiaceae 

Anthriscus cerefolium 

Exotic 

1 

Poaceae 

Apera interrupta 

Exotic 

1 

Apocynaceae 

Apocynum androsaemifolium 

Native 

3 

Apocynaceae 

Apocynum cannabinum 

Native 

4 

Ranunculaceae 

Aquilegia brevistyla 

Native 

- 

Ranunculaceae 

Aquilegia coemlea 

Native 

6 

Ranunculaceae 

Aquilegia flavescens 

Native 

- 

Ranunculaceae 

Aquilegia formosa 

Native 

6 

Ranunculaceae 

Aquilegia jonesii 

Native 

- 

Brassicaceae 

Arabidopsis lyrata 

Native 

Insuff. Info. 

Brassicaceae 

Arabidopsis thaliana 

Exotic 

1 

Brassicaceae 

Arabis hirsuta 

Native 

- 

Brassicaceae 

Arabis nuttallii 

Native 

- 

Araliaceae 

Aralia nudicaulis 

Native 

5 

Viscaceae 

Arceuthobium americanum 

Native 

- 

Viscaceae 

Arceuthobium campylopodum 

Native 

- 

Viscaceae 

Arceuthobium cyanocarpum 

Native 

- 

Viscaceae 

Arceuthobium douglasii 

Native 

- 

Viscaceae 

Arceuthobium laricis 

Native 

- 

Asteraceae 

Arctium lappa 

Exotic 

0 

Asteraceae 

Arctium minus 

Exotic 

0 

Ericaceae 

Arctostaphylos patula 

Native 

- 

Ericaceae 

Arctostaphylos uva-ursi 

Native 

4 

Caryophyllaceae 

Arenaria aculeata 

Native 

- 

Caryophyllaceae 

Arenaria capillaris 

Native 

- 

Caryophyllaceae 

Arenaria congesta 

Native 

- 

Caryophyllaceae 

Arenaria congesta var. cephaloidea 

Native 

- 

Caryophyllaceae 

Arenaria congesta var. congesta 

Native 

- 

Caryophyllaceae 

Arenaria congesta var. lithophila 

Native 

- 

Caryophyllaceae 

Arenaria hookeri 

Native 

- 

Caryophyllaceae 

Arenaria kingii 

Native 

- 

Caryophyllaceae 

Arenaria serpyllifolia 

Exotic 

0 

Papaveraceae 

Argemone polyanthemos 

Unknown / 
Undetermined 

- 

Rosaceae 

Argentina anserina 
syn. Potentilla anserina^ 

Native 

3 

Poaceae 

Aristida purpurea 

Native 

- 

Asteraceae 

Arnica amplexicaulis 

Native 

5 

Asteraceae 

Arnica angustifolia 

Native 

- 

Asteraceae 

Arnica chamissonis 

Native 

5 

Asteraceae 

Arnica cordifolia 

Native 

- 

Asteraceae 

Arnica fulgens 

Native 

4 

Asteraceae 

Arnica latifolia 

Native 

4 

Asteraceae 

Arnica latifolia var. gracilis 

Native 

- 

Asteraceae 

Arnica latifolia var. latifolia 

Native 

- 


B-4 
























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Asteraceae 

Arnica longifolia 

Native 

7 

Asteraceae 

Arnica mollis 

Native 

6 

Asteraceae 

Arnica parryi 

Native 

- 

Asteraceae 

Arnica rydbergii 

Native 

- 

Asteraceae 

Arnica sororia 

Native 

- 

Asteraceae 

Arnica x diversifolia 

Native 

5 

Poaceae 

Arrhenatherum elatius 

Exotic 

0 

Asteraceae 

Artemisia absinthium 

Exotic 

0 

Asteraceae 

Artemisia annua 

Exotic 

1 

Asteraceae 

Artemisia arbuscula 

Native 

- 

Asteraceae 

Artemisia arbuscula ssp. arbuscula 

Native 

- 

Asteraceae 

Artemisia arbuscula ssp. longiloba 

Native 

- 

Asteraceae 

Artemisia biennis 

Native 

2 

Asteraceae 

Artemisia campestris 

Native 

4 

Asteraceae 

Artemisia campestris ssp. borealis 

Native 

- 

Asteraceae 

Artemisia campestris ssp. caudata 

Native 

- 

Asteraceae 

Artemisia campestris ssp. pacifica 

Native 

- 

Asteraceae 

Artemisia cana 

Native 

4 

Asteraceae 

Artemisia cana ssp. cana 

Native 

- 

Asteraceae 

Artemisia cana ssp. viscidula 

Native 

- 

Asteraceae 

Artemisia dracunculus 

Native 

- 

Asteraceae 

Artemisia frigida 

Native 

- 

Asteraceae 

Artemisia lindleyana 

Native 

7 

Asteraceae 

Artemisia longifolia 

Native 

- 

Asteraceae 

Artemisia ludoviciana 

Native 

3 

Asteraceae 

Artemisia ludoviciana ssp. candicans 

Native 

- 

Asteraceae 

Artemisia ludoviciana ssp. incompta 

Native 

- 

Asteraceae 

Artemisia ludoviciana ssp. ludoviciana 

Native 

- 

Asteraceae 

Artemisia michauxiana 

Native 

- 

Asteraceae 

Artemisia norvegica^ 


absent 

Asteraceae 

Artemisia nova 

Native 

- 

Asteraceae 

Artemisia pedatifida 

Native 

- 

Asteraceae 

Artemisia porteri 

Unknown / 
Undetermined 

- 

Asteraceae 

Artemisia rigida 

Unknown / 
Undetermined 

- 

Asteraceae 

Artemisia scopulorum 

Native 

- 

Asteraceae 

Artemisia spinescens 

Native 

- 

Asteraceae 

Artemisia tilesii 

Native 

4 

Asteraceae 

Artemisia tridentata 

Native 

- 

Asteraceae 

Artemisia tridentata ssp. tridentata 

Native 

5 

Asteraceae 

Artemisia tridentata ssp. vaseyana 

Native 

3 

Asteraceae 

Artemisia tridentata ssp. wyomingensis 

Native 

4 

Asteraceae 

Artemisia tripartita 

Native 

- 

Asteraceae 

Artemisia tripartita ssp. mpicola 

Native 

- 

Asteraceae 

Artemisia tripartita ssp. tripartita 

Native 

- 

Aristolochiaceae 

Asamm caudatum 

Native 

8 

Asclepiadaceae 

Asclepias incamata 

Native 

6 

Asclepiadaceae 

Asclepias ovalifolia 

Native 

- 

Asclepiadaceae 

Asclepias pumila 

Native 

5 


B-5 























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Asclepiadaceae 

Asclepias speciosa 

Native 

- 

Asclepiadaceae 

Asclepias stenophylla 

Native 

- 

Asclepiadaceae 

Asclepias syriaca^ 


abseut 

Asclepiadaceae 

Asclepias verticillata 

Native 

5 

Asclepiadaceae 

Asclepias viridiflora 

Native 

- 

Liliaceae 

Asparagus officinalis 

Exotic 

1 

Boraginaceae 

Asperugo procumbens 

Exotic 

0 

Pteridaceae 

Aspidotis densa 

Native 

- 

Aspleniaceae 

Asplenium tricbomanes 

Native 

iusuff. iufo. 

Aspleniaceae 

Asplenium trichomanes-ramosum 

Native 

- 

Fabaceae 

Astragalus adsurgens 

Native 

- 

Fabaceae 

Astragalus agrestis 

Native 

3 

Fabaceae 

Astragalus alpinus 

Native 

4 

Fabaceae 

Astragalus americanus 

Native 

6 

Fabaceae 

Astragalus aretioides 

Native 

- 

Fabaceae 

Astragalus argophyllus 

Native 

6 

Fabaceae 

Astragalus atropubescens 

Native 

- 

Fabaceae 

Astragalus australis 

Native 

- 

Fabaceae 

Astragalus barrii 

Native 

- 

Fabaceae 

Astragalus bisulcatus 

Native 

- 

Fabaceae 

Astragalus bourgovii 

Native 

- 

Fabaceae 

Astragalus canadensis 

Native 

3 

Fabaceae 

Astragalus canadensis var. brevidens 

Native 

- 

Fabaceae 

Astragalus canadensis var. canadensis 

Native 

- 

Fabaceae 

Astragalus canadensis var. mortonii 

Native 

- 

Fabaceae 

Astragalus ceramicus 

Native 

- 

Fabaceae 

Astragalus ceramicus var. apus 

Native 

- 

Fabaceae 

Astragalus ceramicus var. filifolius 

Native 

- 

Fabaceae 

Astragalus chamaeleuce 

Native 

- 

Fabaceae 

Astragalus cibarius 

Native 

- 

Fabaceae 

Astragalus cicer 

Exotic 

1 

Fabaceae 

Astragalus convallarius 

Native 

- 

Fabaceae 

Astragalus crassicarpus 

Native 

- 

Fabaceae 

Astragalus crassicarpus var. crassicarpus 

Native 

- 

Fabaceae 

Astragalus crassicarpus var. paysonii 

Native 

- 

Fabaceae 

Astragalus drummondii 

Native 

- 

Fabaceae 

Astragalus eucosmus 

Native 

6 

Fabaceae 

Astragalus falcatus 

Exotic 

1 

Fabaceae 

Astragalus flexuosus 

Native 

- 

Fabaceae 

Astragalus geyeri 

Native 

- 

Fabaceae 

Astragalus gilviflorus 

Native 

- 

Fabaceae 

Astragalus gracilis 

Native 

- 

Fabaceae 

Astragalus gray! 

Native 

- 

Fabaceae 

Astragalus hyalinus 

Native 

- 

Fabaceae 

Astragalus inflexus 

Native 

- 

Fabaceae 

Astragalus kentrophyta 

Native 

- 

Fabaceae 

Astragalus kentrophyta var. kentrophyta 

Native 

- 

Fabaceae 

Astragalus kentrophyta var. tegetarius 

Native 

- 

Fabaceae 

Astragalus lackschewitzii 

Native 

- 

Fabaceae 

Astragalus leutigiuosus 

Native 

4 

Fabaceae 

Astragalus lentiginosus var. salinus 

Native 

- 


B-6 


























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Fabaceae 

Astragalus leptaleus 

Native 

6 

Fabaceae 

Astragalus lotiflorus 

Native 

- 

Fabaceae 

Astragalus microcystis 

Native 

- 

Fabaceae 

Astragalus miser 

Native 

- 

Fabaceae 

Astragalus miser var. crispatus 

Native 

- 

Fabaceae 

Astragalus miser var. decumbens 

Native 

- 

Fabaceae 

Astragalus miser var. hylophilus 

Native 

- 

Fabaceae 

Astragalus miser var. miser 

Native 

- 

Fabaceae 

Astragalus miser var. praeteritus 

Native 

- 

Fabaceae 

Astragalus miser var. serotinus 

Native 

- 

Fabaceae 

Astragalus missouriensis 

Native 

- 

Fabaceae 

Astragalus oreganus 

Native 

- 

Fabaceae 

Astragalus pectinatus 

Native 

- 

Fabaceae 

Astragalus plattensis 

Native 

- 

Fabaceae 

Astragalus platytropis 

Native 

- 

Fabaceae 

Astragalus purshii 

Native 

- 

Fabaceae 

Astragalus purshii var. concinnus 

Native 

- 

Fabaceae 

Astragalus purshii var. purshii 

Native 

- 

Fabaceae 

Astragalus racemosus 

Native 

- 

Fabaceae 

Astragalus robbinsii 

Native 

5 

Fabaceae 

Astragalus scaphoides 

Native 

- 

Fabaceae 

Astragalus shortianus 

Native 

- 

Fabaceae 

Astragalus spatulatus 

Native 

- 

Fabaceae 

Astragalus tenellus 

Native 

- 

Fabaceae 

Astragalus terminalis 

Native 

- 

Fabaceae 

Astragalus vexilliflexus 

Native 

- 

Dryopteridaceae 

Athyrium alpestre 

Native 

7 

Diyopteridaceae 

Athyrium fdix-femina 

Native 

5 

Brassicaceae 

Athysanus pusillus 

Native 

- 

Amaranthaceae 

Atriplex argentea 

Native 

3 

Amaranthaceae 

Atriplex canescens 

Native 

- 

Amaranthaceae 

Atriplex confertifolia 

Native 

- 

Amaranthaceae 

Atriplex dioica 

Native 

3 

Amaranthaceae 

Atriplex gardneri 

Native 

- 

Amaranthaceae 

Atriplex heterosperma 

Exotic 

0 

Amaranthaceae 

Atriplex hortensis 

Exotic 

1 

Amaranthaceae 

Atriplex patula 

Unknown / 
Undetermined 

0 

Amaranthaceae 

Atriplex powellii 

Native 

- 

Amaranthaceae 

Atriplex prostrata 

Unknown / 
Undetermined 

- 

Amaranthaceae 

Atriplex rosea 

Exotic 

1 

Amaranthaceae 

Atriplex suckleyi 

Native 

- 

Amaranthaceae 

Atriplex tmncata 

Native 

5 

Poaceae 

Avena barbata 

Exotic 

0 

Poaceae 

Avena fatua 

Exotic 

1 

Poaceae 

Avena sativa 

Exotic 

1 

Amaranthaceae 

Axyris amaranthoides 

Exotic 

1 

Azollaceae 

Azolla filiculoides 

Unknown/ 
Undetermined 

insnff. info. 


B-7 






















































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Plantaginaceae 

Bacopa rotundifolia 

Native 

7 

Asteraceae 

Balsamorhiza hookeri 

Native 

- 

Asteraceae 

Balsamorhiza incana 

Native 

- 

Asteraceae 

Balsamorhiza macrophylla 

Native 

- 

Asteraceae 

Balsamorhiza sagittata 

Native 

- 

Brassicaceae 

Barbarea orthoceras 

Native 

4 

Brassicaceae 

Barbarea vulgaris 

Exotic 

1 

Amaranthaceae 

Bassia hyssopifolia 

Exotic 

1 

Poaceae 

Beckmannia syzigachne 

Native 

4 

Asteraceae 

Beilis perennis 

Exotic 

1 

Berberidaceae 

Berberis aquifolium 

Native 

- 

Berberidaceae 

Berberis nervosa 

Native 

- 

Berberidaceae 

Berberis repens 

Native 

- 

Berberidaceae 

Berberis vulgaris 

Exotic 

1 

Brassicaceae 

Berteroa incana 

Exotic 

0 

Apiaceae 

Berula erecta 

Native 

7 

Plantaginaceae 

Besseya rubra 

Native 

- 

Plantaginaceae 

Besseya wyomingensis 

Native 

- 

Betulaceae 

Betula glandulosa 

Native 

8 

Betulaceae 

Betula occidentalis 

Native 

5 

Betulaceae 

Betula papyrifera 

Native 

3 

Betulaceae 

Betula pumila 

Native 

6 

Betulaceae 

Betula X saudergii 

Unknown/ 
Undetermined 

NA 

Betulaceae 

Betula X sargeutii 

Native 

NA 

Betulaceae 

Betula X utaheusis 

Native 

NA 

Asteraceae 

Bidens beckii 

Native 

8 

Asteraceae 

Bidens cemua 

Native 

4 

Asteraceae 

Bidens comosa 

Native 

6 

Asteraceae 

Bidens frondosa 

Native 

6 

Asteraceae 

Bidens vulgata 

Native 

6 

Brassicaceae 

Boechera calderi 

Native 

- 

Brassicaceae 

Boechera collinsii 

Native 

- 

Brassicaceae 

Boechera demissa 

Native 

- 

Brassicaceae 

Boechera divaricarpa 

Native 

- 

Brassicaceae 

Boechera fecunda 

Native 

- 

Brassicaceae 

Boechera grahamii 

Native 

NA 

Brassicaceae 

Boechera lemmouii 

Native 

4 

Brassicaceae 

Boechera lyallii 

Native 

- 

Brassicaceae 

Boechera microphylla 

Native 

- 

Brassicaceae 

Boechera microphylla var. macounii 

Native 

- 

Brassicaceae 

Boechera microphylla var. microphylla 

Native 

- 

Brassicaceae 

Boechera pauciflora 

Native 

- 

Brassicaceae 

Boechera pendulocarpa 

Native 

- 

Brassicaceae 

Boechera polyantha 

Native 

- 

Brassicaceae 

Boechera retrofracta 

Native 

- 

Brassicaceae 

Boechera saximontana 

Native 

- 

Brassicaceae 

Boechera sparsiflora 

Native 

- 

Brassicaceae 

Boechera stricta 

Native 

4 

Cyperaceae 

Bolboschoenus fluviatilis 

Schoenoplectus fluviatilis 

Native 

4 

Cyperaceae 

Bolboschoenus maritimus 

Schoenoplectus maritimus 

Native 

6 


B-8 

























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Boraginaceae 

Borago officinalis 

Exotic 

1 

Poaceae 

Bothriochloa ischaemum 

Exotic 

1 

Ophioglossaceae 

Botrychium adnatum 

Native 

- 

Ophioglossaceae 

Botrychium ascendens 

Native 

4 

Ophioglossaceae 

Botrychium campestre 

Native 

- 

Ophioglossaceae 

Botrychium crenulatum 

Native 

4 

Ophioglossaceae 

Botrychium gallicomontanum 

Native 

- 

Ophioglossaceae 

Botrychium hesperium 

Native 

- 

Ophioglossaceae 

Botrychium lanceolatum 

Native 

6 

Ophioglossaceae 

Botrychium lineare 

Native 

- 

Ophioglossaceae 

Botrychium lunaria 

Native 

4 

Ophioglossaceae 

Botrychium michiganense 

Native 

- 

Ophioglossaceae 

Botrychium minganense 

Native 

- 

Ophioglossaceae 

Botrychium montanum 

Native 

- 

Ophioglossaceae 

Botrychium multifidum 

Native 

8 

Ophioglossaceae 

Botrychium pallidum 

Native 

- 

Ophioglossaceae 

Botrychium paradoxum 

Native 

- 

Ophioglossaceae 

Botrychium pedunculosum 

Native 

- 

Ophioglossaceae 

Botrychium pinnatum 

Native 

7 

Ophioglossaceae 

Botrychium simplex 

Native 

6 

Ophioglossaceae 

Botrychium spathulatum 

Native 

- 

Ophioglossaceae 

Botrychium tunux 

Native 

- 

Ophioglossaceae 

Botrychium virginianum 

Native 

4 

Ophioglossaceae 

Botrychium x watertonense 

Native 

- 

Ophioglossaceae 

Botrychium yaaxudakeit 

Native 

- 

Poaceae 

Bouteloua barbata 

Native 

- 

Poaceae 

Bouteloua curtipendula 

Native 

- 

Poaceae 

Bouteloua gracilis 

Native 

- 

Saxifragaceae 

Boykinia major 

Native 

7 

Cabombaceae 

Brasenia schreberi 

Native 

9 

Brassicaceae 

Brassica juncea 

Exotic 

1 

Brassicaceae 

Brassica nigra 

Exotic 

1 

Brassicaceae 

Brassica rapa 

Exotic 

1 

Brassicaceae 

Braya humilis 

Native 

6 

Asteraceae 

Brickellia eupatorioides 

Native 

- 

Asteraceae 

Brickellia grandiflora 

Native 

- 

Asteraceae 

Brickellia oblongifolia 

Native 

- 

Poaceae 

Bromus arvensis 

Exotic 

1 

Poaceae 

Bromus berterianus 

Exotic 

1 

Poaceae 

Bromus briziformis 

Exotic 

1 

Poaceae 

Bromus carinatus 

Native 

5 

Poaceae 

Bromus ciliatus 

Native 

6 

Poaceae 

Bromus commutatus 

Exotic 

1 

Poaceae 

Bromus diandrus 

Exotic 

0 

Poaceae 

Bromus hordeaceus 

Exotic 

1 

Poaceae 

Bromus inermis 

Exotic/Native 

- 

Poaceae 

Bromus inermis ssp. inermis 

Exotic 

0 

Poaceae 

Bromus inermis ssp. pumpellianus 

Native 

- 

Poaceae 

Bromus japonicus 

Exotic 

0 

Poaceae 

Bromus latiglumis^ 


absent 


B-9 

























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Poaceae 

Bromus polyanthus 

Unknown / 
Undetermined 

- 

Poaceae 

Bromus porteri 

Native 

- 

Poaceae 

Bromus racemosus 

Exotic 

1 

Poaceae 

Bromus richardsonii 

Native 

- 

Poaceae 

Bromus secalinus 

Exotic 

1 

Poaceae 

Bromus squarrosus 

Exotic 

1 

Poaceae 

Bromus tectorum 

Exotic 

0 

Poaceae 

Bromus vulgaris 

Native 

4 

Cucurbitaceae 

Bryonia alba 

Exotic 

1 

Poaceae 

Buchloe dactyloides 

Native 

- 

Cyperaceae 

Bulbostylis capillaris 

Native 

insuff. info. 

Apiaceae 

Bupleurum americanum 

Native 

- 

Butomaceae 

Butomus umbellatus 

Exotic 

0 

Poaceae 

Calamagrostis canadensis 

Native 

5 

Poaceae 

Calamagrostis koelerioides 

Native 

- 

Poaceae 

Calamagrostis montanensis 

Native 

- 

Poaceae 

Calamagrostis purpurascens 

Native 

- 

Poaceae 

Calamagrostis rubescens 

Native 

- 

Poaceae 

Calamagrostis scopulorum 

Native 

4 

Poaceae 

Calamagrostis stricta 

Native 

6 

Poaceae 

Calamagrostis tweedy! 

Native 

4 

Poaceae 

Calamovilfa longifolia 

Native 

- 

Callitrichaceae 

Callitriche hermaphroditica 

Native 

6 

Callitrichaceae 

Callitriche heterophylla 

Native 

3 

Callitrichaceae 

Callitriche palustris 

Native 

6 

Callitrichaceae 

Callitriche stagnalis 

Exotic 

1 

Liliaceae 

Calochortus apiculatus 

Native 

- 

Liliaceae 

Calochortus bruneaunis 

Native 

- 

Liliaceae 

Calochortus elegans 

Native 

- 

Liliaceae 

Calochortus eurycarpus 

Native 

- 

Liliaceae 

Calochortus gunnisonii 

Native 

- 

Liliaceae 

Calochortus macrocarpus 

Native 

- 

Liliaceae 

Calochortus nuttallii 

Native 

- 

Ranunculaceae 

Caltha leptosepala 

Native 

7 

Onagraceae 

Calylophus serrulatus 

Native 

- 

Orchidaceae 

Calypso bulbosa 

Native 

6 

Orchidaceae 

Calypso bulbosa var. americana 

Native 

- 

Orchidaceae 

Calypso bulbosa var. occidentalis 

Native 

- 

Convolvulaceae 

Calystegia macounii 

Unknown / 
Undetermined 

- 

Convolvulaceae 

Calystegia sepium 

Exotic 

1 

Liliaceae 

Camassia quamash 

Native 

6 

Brassicaceae 

Camelina microcarpa 

Exotic 

0 

Brassicaceae 

Camelina sativa 

Exotic 

1 

Onagraceae 

Camissonia andina 

Native 

- 

Onagraceae 

Camissonia breviflora 

Native 

5 

Onagraceae 

Camissonia minor 

Native 

- 

Onagraceae 

Camissonia parvula 

Native 

- 

Onagraceae 

Camissonia scapoidea 

Native 

- 


B-10 























































FAMILY NAME 

SCIENTIFIC NAME' 

ORIGIN 

2015/2016 

C-VALUE' 

Onagraceae 

Camissonia subacaulis 

Native 

5 

Onagraceae 

Camissonia tanacetifolia 

Unknown / 
Undetermined 

- 

Campanulaceae 

Campanula glomerata 

Exotie 

0 

Campanulaceae 

Campanula medium 

Exotie 

1 

Campanulaceae 

Campanula parryi 

Native 

7 

Campanulaceae 

Campanula rapunculoides 

Exotie 

0 

Campanulaceae 

Campanula rotundifolia 

Native 

3 

Campanulaceae 

Campanula scabrella 

Native 

- 

Campanulaceae 

Campanula uniflora 

Native 

9 

Asteraceae 

Canadanthus modestus 

Native 

6 

Cannabaceae 

Cannabis sativa 

Exotie 

1 

Brassicaceae 

Capsella bursa-pastoris 

Exotie 

0 

Fabaceae 

Caragana arborescens 

Exotie 

1 

Brassicaceae 

Cardamine breweri 

Native 

7 

Brassicaceae 

Cardamine oligosperma 

Native 

3 

Brassicaceae 

Cardamine oligosperma var. kamtschatica 

Native 

- 

Brassicaceae 

Cardamine oligosperma var. oligosperma 

Native 

- 

Brassicaceae 

Cardamine pensylvanica 

Native 

3 

Brassicaceae 

Cardamine rupicola 

Native 

- 

Asteraceae 

Carduus acanthoides 

Exotie 

0 

Asteraceae 

Carduus nutans 

Exotie 

0 

Cyperaceae 

Carex albonigra 

Native 

5 

Cyperaceae 

Carex amplifolia 

Native 

5 

Cyperaceae 

Carex angustata^ 


absent 

Cyperaceae 

Carex aperta 

Native 

6 

Cyperaceae 

Carex aquatilis 

Native 

5 

Cyperaceae 

Carex aquatilis var. aquatilis 

Native 

- 

Cyperaceae 

Carex aquatilis var. dives 

Native 

- 

Cyperaceae 

Carex arcta 

Native 

6 

Cyperaceae 

Carex atherodes 

Native 

5 

Cyperaceae 

Carex athrostachya 

Native 

4 

Cyperaceae 

Carex atrosquama 

Native 

5 

Cyperaceae 

Carex aurea 

Native 

6 

Cyperaceae 

Carex backii 

Native 

- 

Cyperaceae 

Carex bebbii 

Native 

7 

Cyperaceae 

Carex bolanderi 

Native 

6 

Cyperaceae 

Carex brevior 

Native 

4 

Cyperaceae 

Carex bmnneseens 

Native 

8 

Cyperaceae 

Carex buxbaumii 

Native 

8 

Cyperaceae 

Carex eaneseens 

Native 

8 

Cyperaceae 

Carex eapillaris 

Native 

8 

Cyperaceae 

Carex eapitata 

Native 

7 

Cyperaceae 

Carex ehaleiolepis 

Native 

7 

Cyperaceae 

Carex ehordorrhiza 

Native 

9 

Cyperaceae 

Carex eomosa 

Native 

7 

Cyperaceae 

Carex eoneinna 

Native 

7 

Cyperaceae 

Carex eoneinnoides 

Native 

- 

Cyperaceae 

Carex eordillerana 

Native 

- 


B-11 























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Cyperaceae 

Carex crawei 

Native 

6 

Cyperaceae 

Carex crawfordii 

Native 

5 

Cyperaceae 

Carex cusickii 

Native 

7 

Cyperaceae 

Carex deweyana 

Native 

6 

Cyperaceae 

Carex diandra 

Native 

8 

Cyperaceae 

Carex diluta 

Exotie 

1 

Cyperaceae 

Carex disperma 

Native 

6 

Cyperaceae 

Carex douglasii 

Native 

3 

Cyperaceae 

Carex duriuscula 

Native 

- 

Cyperaceae 

Carex eburnea 

Native 

6 

Cyperaceae 

Carex echinata 

Native 

8 

Cyperaceae 

Carex elynoides 

Native 

6 

Cyperaceae 

Carex engelmannii 

Native 

- 

Cyperaceae 

Carex epapillosa 

Native 

5 

Cyperaceae 

Carex fdifolia 

Native 

- 

Cyperaceae 

Carex flava 

Native 

7 

Cyperaceae 

Carex foenea 

Native 

insuff. info. 

Cyperaceae 

Carex fuliginosa 

Native 

5 

Cyperaceae 

Carex garberE 


absent 

Cyperaceae 

Carex geyeri 

Native 

- 

Cyperaceae 

Carex glacialis 

Native 

- 

Cyperaceae 

Carex gravida 

Native 

6 

Cyperaceae 

Carex gynocrates 

Native 

9 

Cyperaceae 

Carex ballii^ 


absent 

Cyperaceae 

Carex haydeniana 

Native 

6 

Cyperaceae 

Carex beteroneura^ 


absent 

Cyperaceae 

Carex hoodii 

Native 

4 

Cyperaceae 

Carex hysterieina 

Native 

5 

Cyperaceae 

Carex idahoa 

Native 

7 

Cyperaceae 

Carex illota 

Native 

7 

Cyperaceae 

Carex ineurviformis 

Native 

9 

Cyperaceae 

Carex inops 

Native 

- 

Cyperaceae 

Carex interior 

Native 

8 

Cyperaceae 

Carex jonesii 

Native 

insuff. info. 

Cyperaceae 

Carex kelloggii 

syn. Carex lentieularis var. lipoearpa^ 
[western & eentral MT eounties] 

Native 

5 

Cyperaceae 

Carex laehenalii 

Native 

9 

Cyperaceae 

Carex laeustris 

Native 

9 

Cyperaceae 

Carex laevieoniea 

Native 

5 

Cyperaceae 

Carex laevieulmis 

Native 

6 

Cyperaceae 

Carex lasioearpa 

Native 

7 

Cyperaceae 

Carex lentieularis^ 

Native 

See Carex 
kelloggii or 
Carex 
plectocarpa 

Cyperaceae 

Carex leporinella 

Native 

5 

Cyperaceae 

Carex leptalea 

Native 

8 

Cyperaceae 

Carex leptopoda 

Native 

6 

Cyperaceae 

Carex limosa 

Native 

9 

Cyperaceae 

Carex livida 

Native 

9 

Cyperaceae 

Carex luzulina 

Native 

7 

Cyperaceae 

Carex luzulina var. ablata 

Native 

- 


B-12 























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Cyperaceae 

Carex luzulina var. atropurpurea 

Native 

- 

Cyperaceae 

Carex macloviana 

Native 

5 

Cyperaceae 

Carex magellanica 

Native 

10 

Cyperaceae 

Carex media 

Native 

8 

Cyperaceae 

Carex mertensii 

Native 

3 

Cyperaceae 

Carex microglochin 

Unknown/ 
Undetermined 

NA 

Cyperaceae 

Carex microptera 

Native 

3 

Cyperaceae 

Carex multicostata 

Native 

- 

Cyperaceae 

Carex nardina 

Native 

5 

Cyperaceae 

Carex nebrascensis 

Native 

3 

Cyperaceae 

Carex nelsonii 

Native 

7 

Cyperaceae 

Carex neurophora 

Native 

7 

Cyperaceae 

Carex nigricans 

Native 

7 

Cyperaceae 

Carex norvegica 

Native 

- 

Cyperaceae 

Carex obtusata 

Native 

- 

Cyperaceae 

Carex occidentalis 

Native 

- 

Cyperaceae 

Carex pachystachya 

Native 

7 

Cyperaceae 

Carex pallescens 

Native 

6 

Cyperaceae 

Carex parryana 

Native 

5 

Cyperaceae 

Carex paysonis 

Native 

4 

Cyperaceae 

Carex pellita 

Native 

4 

Cyperaceae 

Carex pelocarpa 
syn. Carex nova var. pelocarpa 

Native 

7 

Cyperaceae 

Carex petasata 

Native 

4 

Cyperaceae 

Carex petricosa 

Native 

- 

Cyperaceae 

Carex phaeocephala 

Native 

4 

Cyperaceae 

Carex plectocarpa 
syn. Carex lenticnlaris var. dohlia 
[Glacier NP, Beaverhead & Park Co., 

MT] 

Native 

9 

Cyperaceae 

Carex podocarpa 

Native 

7 

Cyperaceae 

Carex praeceptomm 

Native 

7 

Cyperaceae 

Carex praegracilis 

Native 

4 

Cyperaceae 

Carex prairea 

Native 

9 

Cyperaceae 

Carex praticola 

Native 

4 

Cyperaceae 

Carex preslii 
syn. Carex pachystachya 

Native 

7 

Cyperaceae 

Carex pyrenaiea 

Native 

7 

Cyperaceae 

Carex raynoldsii 

Native 

4 

Cyperaceae 

Carex retrorsa 

Native 

7 

Cyperaceae 

Carex rossii 

Native 

- 

Cyperaceae 

Carex rostrata 

Native 

9 

Cyperaceae 

Carex rnpestris 

Native 

4 

Cyperaceae 

Carex sartwellii 

Native 

7 

Cyperaceae 

Carex saxatilis 

Native 

8 

Cyperaceae 

Carex saximontana 

Native 

- 

Cyperaceae 

Carex seirpoidea 

Native 

4 

Cyperaceae 

Carex seirpoidea ssp. pseudoseirpoidea 

Native 

- 

Cyperaceae 

Carex seirpoidea ssp. seirpoidea 

Native 

- 

Cyperaceae 

Carex seirpoidea ssp. stenoehlaena 

Native 

- 

Cyperaceae 

Carex seoparia 

Native 

7 

Cyperaceae 

Carex seopulorum 

Native 

8 


B-13 






















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Cyperaceae 

Carex scopulorum var. bracteosa 

Native 

- 

Cyperaceae 

Carex scopulorum var. prionophylla 

Native 

- 

Cyperaceae 

Carex siccata 

Native 

7 

Cyperaceae 

Carex simulata 

Native 

8 

Cyperaceae 

Carex spectabilis 

Native 

7 

Cyperaceae 

Carex sprengelii 

Native 

8 

Cyperaceae 

Carex stenoptila 

Native 

- 

Cyperaceae 

Carex stevenii 

Native 

8 

Cyperaceae 

Carex stipata 

Native 

4 

Cyperaceae 

Carex straminiformis 

Unknown / 
Undetermined 

- 

Cyperaceae 

Carex subfusca 

Unknown/ 
Undetermined 

NA 

Cyperaceae 

Carex sychnocephala 

Native 

8 

Cyperaceae 

Carex tahoensis 

Native 

- 

Cyperaceae 

Carex tenera 

Native 

6 

Cyperaceae 

Carex tenuiflora 

Native 

10 

Cyperaceae 

Carex torreyi 

Native 

9 

Cyperaceae 

Carex utriculata 

Native 

3 

Cyperaceae 

Carex vaginata 

Native 

insnff. info. 

Cyperaceae 

Carex vallicola 

Native 

4 

Cyperaceae 

Carex vesicaria 
syn. Carex exsiccata^ 

Native 

5 

Cyperaceae 

Carex viridula 

Native 

8 

Cyperaceae 

Carex vulpinoidea 

Native 

6 

Cyperaceae 

Carex xerantica 

Unknown / 
Undetennined 

- 

Apiaceae 

Carum carvi 

Exotie 

0 

Ericaceae 

Cassiope mertensiana 

Native 

7 

Ericaceae 

Cassiope tetragona 

Native 

7 

Orobanchaceae 

Castilleja angustifolia 

Native 

- 

Orobanchaceae 

Castilleja cervina 

Native 

- 

Orobanchaceae 

Castilleja covilleana 

Native 

- 

Orobanchaceae 

Castilleja crista-galli 

Native 

- 

Orobanchaceae 

Castilleja cusickii 

Native 

- 

Orobanchaceae 

Castilleja exilis 

Native 

3 

Orobanchaceae 

Castilleja flava 

Native 

- 

Orobanchaceae 

Castilleja flava var. flava 

Native 

- 

Orobanchaceae 

Castilleja flava var. rustiea 

Native 

- 

Orobanchaceae 

Castilleja graeillima 

Native 

7 

Orobanchaceae 

Castilleja hispida 

Native 

- 

Orobanchaceae 

Castilleja kerryana 

Native 

- 

Orobanchaceae 

Castilleja linariifolia 

Native 

- 

Orobanchaceae 

Castilleja luteseens 

Native 

- 

Orobanchaceae 

Castilleja miniata 

Native 

4 

Orobanchaceae 

Castilleja nivea 

Native 

- 

Orobanchaceae 

Castilleja oeeidentalis 

Native 

7 

Orobanchaceae 

Castilleja palleseens 

Native 

- 

Orobanchaceae 

Castilleja pilosa 

Native 

- 

Orobanchaceae 

Castilleja pilosa var. longispiea 

Native 

- 

Orobanchaceae 

Castilleja pulchella 

Native 

- 

Orobanchaceae 

Castilleja rhexiifolia 

Native 

7 

Orobanchaceae 

Castilleja sessiliflora 

Native 

- 


B-14 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Orobanchaceae 

Castilleja sulphurea 

Native 

7 

Poaceae 

Catabrosa aquatiea 

Native 

3 

Rhamnaceae 

Ceanothus herbaceus 

Native 

- 

Rhamnaceae 

Ceanothus sanguineus 

Native 

- 

Rhamnaceae 

Ceanothus velutinus 

Native 

- 

Celastraceae 

Celastrus scandens 

Native 

insnff. info. 

Ulmaceae 

Celtis occidentalis 

Unknown/ 
Undetermined 

insnff. info. 

Poaceae 

Cenchrus longispinus 

Exotie 

0 

Asteraceae 

Centaurea cyanus 

Exotic 

1 

Asteraceae 

Centaurea diffusa 

Exotic 

0 

Asteraceae 

Centaurea jacea 

Exotic 

0 

Asteraceae 

Centaurea montana 

Exotic 

0 

Asteraceae 

Centaurea nigra 

Exotic 

0 

Asteraceae 

Centaurea scabiosa 

Exotic 

1 

Asteraceae 

Centaurea solstitialis 

Exotic 

0 

Asteraceae 

Centaurea stoebe 

Exotic 

0 

Asteraceae 

Centaurea virgata 

Exotic 

1 

Gentianaceae 

Centaurium erythraea 

Exotic 

1 

Gentianaceae 

Centaurium exaltatum 

Zeltnera exaltata^ 

Native 

- 

Myrsinaceae 

Centunculus minimus 

Native 

- 

Caryophyllaceae 

Cerastium arvense 

Native 

3 

Caryophyllaceae 

Cerastium beeringianum 

Native 

4 

Caryophyllaceae 

Cerastium brachypodum 

Native 

4 

Caryophyllaceae 

Cerastium dichotomum 

Exotic 

1 

Caryophyllaceae 

Cerastium fontanum 

Exotic 

0 

Caryophyllaceae 

Cerastium glomeratum 

Exotic 

1 

Caryophyllaceae 

Cerastium nutans 

Native 

4 

Caryophyllaceae 

Cerastium tomentosum 

Exotic 

1 

Ceratophyllaceae 

Ceratophyllum demersum 

Native 

3 

Rosaceae 

Cercocarpus ledifolius 

Native 

- 

Rosaceae 

Cercocarpus montanus 

Native 

- 

Asteraceae 

Chaenactis douglasii 

Native 

- 

Asteraeeae 

Chaenactis douglasii var. alpina 

Native 

- 

Asteraceae 

Chaenactis douglasii var. douglasii 

Native 

- 

Plantaginaceae 

Chaenorhinum minus 

Exotie 

1 

Rosaceae 

Chamaerhodos erecta 

Unknown / 
Undetenuined 

- 

Onagraceae 

Chamerion angustifolium 

Native 

1 

Onagraceae 

Chamerion latifolium 

Unknown / 
Undetenuined 

- 

Pteridaceae 

Cheilanthes feei 

Native 

- 

Pteridaceae 

Cheilanthes gracillima 

Native 

- 

Papaveraeeae 

Chelidonium majus 

Exotie 

1 

Amaranthaceae 

Chenopodium album 

Exotic 

0 

Amaranthaeeae 

Chenopodium atrovirens 

Native 

- 

Amaranthaceae 

Chenopodium berlandieri 

Native 

- 

Amaranthaeeae 

Chenopodium botrys 

Exotie 

1 

Amaranthaceae 

Chenopodium capitatum 

Native 

- 

Amaranthaceae 

Chenopodium capitatum var. capitatum 

Unknown / 
Undetermined 

- 

Amaranthaceae 

Chenopodium capitatum var. parvicapitatum 

Native 

- 


B-15 























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Amaranthaceae 

Chenopodium chenopodioides 

Native 

3 

Amaranthaceae 

Chenopodium desiccatum 

Native 

- 

Amaranthaceae 

Chenopodium fremontii 

Native 

3 

Amaranthaceae 

Chenopodium glaucum 

Native 

4 

Amaranthaceae 

Chenopodium glaucum var. glaucum 

Exotic 

1 

Amaranthaceae 

Chenopodium glaucum var. salinum 

Native 

4 

Amaranthaceae 

Chenopodium incanum 

Native 

- 

Amaranthaceae 

Chenopodium leptophyllum 

Native 

4 

Amaranthaceae 

Chenopodium murale 

Exotic 

0 

Amaranthaceae 

Chenopodium pratericola 

Native 

- 

Amaranthaceae 

Chenopodium rubrum 

Native 

3 

Amaranthaceae 

Chenopodium mbmm var. humile 

Exotic 

1 

Amaranthaceae 

Chenopodium mbmm var. mbmm 

Native 

3 

Amaranthaceae 

Chenopodium simplex 

Native 

- 

Amaranthaceae 

Chenopodium standleyanum 

Unknown / 
Undetennined 

- 

Amaranthaceae 

Chenopodium subglabmm 

Native 

- 

Amaranthaceae 

Chenopodium watsonii 

Unknown / 
Undetermined 

- 

Ericaceae 

Chimaphila menziesii 

Native 

- 

Ericaceae 

Chimaphila umbellata 

Native 

- 

Plantaginaceae 

Chionophila tweedyi 

Native 

- 

Asteraceae 

Chondrilla juncea 

Exotic 

0 

Brassicaceae 

Chorispora tenella 

Exotic 

0 

Saxifragaceae 

Chrysosplenium tetrandmm 

Native 

4 

Asteraceae 

Chrysothamnus viscidifloms 

Native 

- 

Asteraceae 

Chrysothamnus viscidifloms ssp. lanceolatus 

Native 

- 

Asteraceae 

Chrysothamnus viscidifloms ssp. 
viscidifloms 

Native 

- 

Asteraceae 

Cichorium intybus 

Exotic 

1 

Apiaceae 

Cicuta bulbifera 

Native 

7 

Apiaceae 

Cicuta douglasii 

Native 

4 

Apiaceae 

Cicuta maculata 

Native 

3 

Poaceae 

Cinna arundinacea 


absent 

Poaceae 

Cinna latifolia 

Native 

5 

Onagraceae 

Circaea alpina 

Native 

5 

Onagraceae 

Circaea alpina ssp. alpina 

Native 

- 

Onagraceae 

Circaea alpina ssp. paciflca 

Native 

- 

Asteraceae 

Cirsium arvense 

Exotic 

0 

Asteraceae 

Cirsium brevistylum 

Native 

- 

Asteraceae 

Cirsium canescens 

Native 

- 

Asteraceae 

Cirsium canovirens 

Native 

- 

Asteraceae 

Cirsium eatonii 

Native 

- 

Asteraceae 

Cirsium flodmanii 

Native 

3 

Asteraceae 

Cirsium foliosum^ 


absent 

Asteraceae 

Cirsium hookerianum 

Native 

- 

Asteraceae 

Cirsium longistylum 

Native 

- 

Asteraceae 

Cirsium pulcherrimum 

Native 

- 

Asteraceae 

Cirsium scariosum 

Native 

5 

Asteraceae 

Cirsium undulatum 

Native 

4 

Asteraceae 

Cirsium vulgare 

Exotic 

0 

Portulacaceae 

Cistanthe umbellata 

Native 

- 

Onagraceae 

Clarkia pulchella 

Native 

- 


B-16 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Onagraceae 

Clarkia rhomboidea 

Native 

- 

Portulacaceae 

Claytonia arenicola 

Native 

- 

Portulacaceae 

Claytonia cordifolia 

Native 

5 

Portulacaceae 

Claytonia lanceolata 

Native 

4 

Portulacaceae 

Claytonia megarhiza 

Native 

- 

Portulacaceae 

Claytonia multiscapa 

Native 

4 

Portulacaceae 

Claytonia parviflora 

Native 

5 

Portulacaceae 

Claytonia perfoliata 

Native 

2 

Portulacaceae 

Claytonia rubra 

Native 

- 

Portulacaceae 

Claytonia rubra ssp. depressa 

Native 

- 

Portulacaceae 

Claytonia rubra ssp. rubra 

Native 

- 

Portulacaceae 

Claytonia sibirica 

Native 

5 

Ranunculaceae 

Clematis Columbiana 

Native 

- 

Ranunculaceae 

Clematis Columbiana var. Columbiana 

Native 

- 

Ranunculaceae 

Clematis Columbiana var. tenuiloba 

Native 

- 

Ranunculaceae 

Clematis hirsutissima 

Native 

- 

Ranunculaceae 

Clematis ligusticifolia 

Native 

3 

Ranunculaceae 

Clematis occidentalis 

Native 

- 

Cleomaceae 

Cleome lutea 

Peritoma lutea^ 

Native 

- 

Cleomaceae 

Cleome serrulata 

Peritoma serrulata^ 

Native 

- 

Liliaceae 

Clintonia uniflora 

Native 

- 

Orchidaceae 

Coeloglossum viride 

Native 

6 

Plantaginaceae 

Collinsia parviflora 

Native 

- 

Polemoniaceae 

Collomia debilis 

Native 

- 

Polemoniaceae 

Collomia debilis var. camporum 

Native 

- 

Polemoniaceae 

Collomia debilis var. debilis 

Native 

- 

Polemoniaceae 

Collomia grandiflora 

Native 

- 

Polemoniaceae 

Collomia linearis 

Native 

3 

Polemoniaceae 

Collomia tinctoria 

Native 

- 

Santalaceae 

Comandra umbellata 

Native 

- 

Rosaceae 

Comarum palustre 

Native 

7 

Saxifragaceae 

Conimitella williamsii 

Native 

- 

Apiaceae 

Conioselinum scopulorum 

Unknown/ 
Undetermined 

insnff. info. 

Apiaceae 

Conium maculatum 

Exotic 

0 

Brassicaceae 

Conringia orientalis 

Exotic 

1 

Convolvulaceae 

Convolvulus arvensis 

Exotic 

0 

Asteraceae 

Conyza canadensis 

Native 

- 

Ranunculaceae 

Coptis occidentalis 

Native 

- 

Orchidaceae 

Corallorhiza maculata 

Native 

5 

Orchidaceae 

Corallorhiza maculata var. maculata 

Native 

- 

Orchidaceae 

Corallorhiza maculata var. occidentalis 

Native 

- 

Orchidaceae 

Corallorhiza mertensiana 

Native 

- 

Orchidaceae 

Corallorhiza striata 

Native 

5 

Orchidaceae 

Corallorhiza trifida 

Native 

8 

Orchidaceae 

Corallorhiza wisteriana 

Native 

9 

Orobanchaceae 

Cordylanthus capitatus 

Unknown / 
Undetennined 

- 

Orobanchaceae 

Cordylanthus ramosus 

Native 

6 

Asteraceae 

Coreopsis tinctoria 

Native 

6 

Amaranthaceae 

Corispermum americanum 

Native 

6 


B-17 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Amaranthaceae 

Corispermum villosum 

Unknown / 
Undetenuined 

- 

Comaceae 

Comus canadensis 

Native 

7 

Cornaceae 

Comus sericea 

syn. Cornus stolonifera, Comus alba 

Native 

5 

Fabaceae 

Coronilla varia 

Exotic 

1 

Fumariaceae 

Corydalis aurea 

Native 

- 

Fumariaceae 

Corydalis sempervirens 

Native 

- 

Cactaceae 

Coryphantha missouriensis 

Native 

- 

Cactaceae 

Coryphantha vivipara 

Native 

- 

Rosaceae 

Crataegus castlegarensis 

Native 

- 

Rosaceae 

Crataegus chiysocarpa 

Native 

- 

Rosaceae 

Crataegus douglasii 

Native 

5 

Rosaceae 

Crataegus macracantha 

Native 

- 

Rosaceae 

Crataegus monogyna 

Exotic 

1 

Rosaceae 

Crataegus okanaganensis 

Native 

- 

Rosaceae 

Crataegus suksdorfii 

Native 

- 

Rosaceae 

Crataegus williamsii 

Native 

- 

Asteraceae 

Crepis acuminata 

Native 

- 

Asteraceae 

Crepis atribarba 

Native 

- 

Asteraceae 

Crepis elegans 

Native 

- 

Asteraceae 

Crepis intermedia 

Native 

- 

Asteraceae 

Crepis modocensis 

Native 

- 

Asteraceae 

Crepis nana 

Native 

- 

Asteraceae 

Crepis occidentalis 

Native 

- 

Asteraceae 

Crepis mncinata 

Native 

5 

Asteraceae 

Crepis mncinata ssp. glauca 

Native 

- 

Asteraceae 

Crepis mncinata ssp. hispidulosa 

Native 

- 

Asteraceae 

Crepis mncinata ssp. mncinata 

Native 

- 

Asteraceae 

Crepis setosa 

Exotic 

1 

Asteraceae 

Crepis tectoram 

Exotic 

0 

Poaceae 

Crypsis alopecuroides 

Exotic 

1 

Boraginaceae 

Ciyptantha affinis 

Native 

- 

Boraginaceae 

Cryptantha ambigua 

Native 

- 

Boraginaceae 

Cryptantha cana 

Native 

- 

Boraginaceae 

Cryptantha celosioides 

Native 

- 

Boraginaceae 

Cryptantha cinerea 

Unknown / 
Undetermined 

- 

Boraginaceae 

Cryptantha fendleri 

Native 

- 

Boraginaceae 

Cryptantha flavoculata 

Native 

- 

Boraginaceae 

Cryptantha humilis 

Native 

- 

Boraginaceae 

Cryptantha kelseyana 

Native 

- 

Boraginaceae 

Cryptantha minima 

Native 

- 

Boraginaceae 

Cryptantha scoparia 

Native 

- 

Boraginaceae 

Cryptantha sobolifera 

Native 

- 

Boraginaceae 

Cryptantha spiculifera 

Native 

- 

Boraginaceae 

Cryptantha torreyana 

Native 

- 

Boraginaceae 

Cryptantha watsonii 

Native 

- 

Pteridaceae 

Cryptogramma acrostichoides 

Native 

- 

Pteridaceae 

Cryptogramma cascadensis 

Native 

- 

Pteridaceae 

Cryptogramma stelleri 

Native 

10 

Cuscutaceae 

Cuscuta approximata 

Exotie 

1 


B-18 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Cuscutaceae 

Cuscuta coryli 

Unknown / 
Undetenuined 

- 

Cuscutaceae 

Cuscuta epithymum 

Exotic 

1 

Cuscutaceae 

Cuscuta gronovii 

Unknown / 
Undetenuined 

- 

Cuscutaceae 

Cuscuta indecora 

Unknown / 
Undetermined 

- 

Cuscutaceae 

Cuscuta megalocarpa 

Unknown / 
Undetenuined 

- 

Cuscutaceae 

Cuscuta pentagona 

Unknown / 
Undetermined 

- 

Amaranthaceae 

Cycloloma atriplicifolium 

Unknown/ 
Undetermined 

insnff. info. 

Apiaceae 

Cymopterus acaulis 

Native 

- 

Apiaceae 

Cymopterus glaucus 

Native 

- 

Apiaceae 

Cymopterus hendersonii 

Native 

- 

Apiaceae 

Cymopterus longilobus 

Native 

- 

Apiaceae 

Cymoptems nivalis 

Native 

- 

Apiaceae 

Cymoptems terebinthinus 

Native 

- 

Apiaceae 

Cymopterus terebinthinus var. albiflorus 

Native 

- 

Apiaceae 

Cymoptems terebinthinus var. foeniculaceus 

Native 

- 

Poaceae 

Cynodon dactylon 

Exotic 

1 

Boraginaceae 

Cynoglossum officinale 

Exotic 

0 

Poaceae 

Cynosums cristatus 

Exotic 

1 

Poaceae 

Cynosums echinatus 

Exotic 

1 

Cyperaceae 

Cyperas acuminatus 

Native 

4 

Cyperaceae 

Cypems bipartitus 

Native 

4 

Cyperaceae 

Cypems erythrorhizos 

Native 

4 

Cyperaceae 

Cypems schweinitzii 

Native 

8 

Cyperaceae 

Cypems squarrosus 

Native 

4 

Cyperaceae 

Cypems strigosus 

Native 

4 

Orchidaceae 

Cypripedium fasciculatum 

Native 

7 

Orchidaceae 

Cypripedium montanum 

Native 

8 

Orchidaceae 

Cypripedium parviflomm 

Native 

9 

Orchidaceae 

Cypripedium passerinum 

Native 

10 

Orchidaceae 

Cypripedium x columbianum 

Native 

- 

Dryopteridaceae 

Cystopteris fragilis 

Native 

- 

Dryopteridaceae 

Cystopteris montana 

Native 

10 

Fabaceae 

Cytisus scoparius 

Exotic 

0 

Poaceae 

Dactylis glomerata 

Exotic 

0 

Fabaceae 

Dalea Candida 

Native 

- 

Fabaceae 

Dalea enneandra 

Native 

- 

Fabaceae 

Dalea purpurea 

Native 

- 

Fabaceae 

Dalea villosa 

Native 

- 

Alismataceae 

Damasonium californicum 

Native 

insnff. info. 

Poaceae 

Danthonia califomica 

Native 

4 

Poaceae 

Danthonia intermedia 

Native 

5 

Poaceae 

Danthonia parryi 

Native 

- 

Poaceae 

Danthonia spicata 

Native 

- 

Poaceae 

Danthonia unispicata 

Native 

- 

Thymelaeaceae 

Daphne mezereum 

Exotic 

1 

Solanaceae 

Datura stramonium 

Exotic 

1 

Apiaceae 

Daucus carota 

Exotic 

1 


B-19 






















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Ranunculaceae 

Delphinium ajacis 

Exotic 

1 

Ranunculaceae 

Delphinium andersonii 

Unknown / 
Undetermined 

- 

Ranunculaceae 

Delphinium bicolor 

Native 

- 

Ranunculaceae 

Delphinium bicolor ssp. bicolor 

Native 

- 

Ranunculaceae 

Delphinium bicolor ssp. calcicola 

Native 

- 

Ranunculaceae 

Delphinium burkei 

Native 

- 

Ranunculaceae 

Delphinium depauperatum 

Native 

7 

Ranunculaceae 

Delphinium geyeri 

Unknown / 
Undetermined 

- 

Ranunculaceae 

Delphinium glaucescens 

Native 

4 

Ranunculaceae 

Delphinium glaucum 

Native 

6 

Ranunculaceae 

Delphinium nuttallianum 

Native 

4 

Ranunculaceae 

Delphinium occidentale 

Native 

- 

Poaceae 

Deschampsia cespitosa 

Native 

7 

Poaceae 

Deschampsia danthonioides 

Native 

5 

Poaceae 

Deschampsia elongata 

Native 

4 

Brassicaceae 

Descurainia incana 

Native 

3 

Brassicaceae 

Descurainia incana var. incana 

Native 

- 

Brassicaceae 

Descurainia incana var. macrosperma 

Native 

- 

Brassicaceae 

Descurainia incana var. viscosa 

Native 

- 

Brassicaceae 

Descurainia pinnata 

Native 

- 

Brassicaceae 

Descurainia pinnata var. brachycarpa 

Native 

- 

Brassicaceae 

Descurainia pinnata var. fdipes 

Native 

- 

Brassicaceae 

Descurainia pinnata var. intermedia 

Native 

- 

Brassicaceae 

Descurainia pinnata var. nelsonii 

Native 

- 

Brassicaceae 

Descurainia sophia 

Exotic 

0 

Brassicaceae 

Descurainia tomlosa 

Native 

- 

Caryophyllaceae 

Dianthus armeria 

Exotic 

0 

Caryophyllaceae 

Dianthus barbatus 

Exotic 

1 

Caryophyllaceae 

Dianthus deltoides 

Exotic 

1 

Fumariaceae 

Dicentra uniflora 

Native 

- 

Poaceae 

Dichanthelium acuminatum 

Native 

9 

Poaceae 

Dichanthelium oligosanthes var. 
scribnerianum 

Native 

4 

Poaceae 

Dichanthelium wilcoxianum 

Native 

- 

Plantaginaceae 

Digitalis purpurea 

Exotic 

1 

Poaceae 

Digitaria ischaemum 

Exotic 

1 

Poaceae 

Digitaria sanguinalis 

Exotic 

1 

Brassicaceae 

Diplotaxis muralis 

Exotic 

1 

Dipsacaceae 

Dipsacus flillonum 

Exotic 

0 

Poaceae 

Distichlis spicata 

Native 

5 

Primulaceae 

Dodecatheon conjugens 

Native 

4 

Primulaceae 

Dodecatheon jeffreyi 

Native 

7 

Primulaceae 

Dodecatheon pulchellum 

Native 

5 

Primulaceae 

Douglasia conservatorum 

Native 

- 

Primulaceae 

Douglasia montana 

Native 

- 

Campanulaceae 

Downingia laeta 

Native 

9 

Brassicaceae 

Draba albertina 

Native 

4 

Brassicaceae 

Draba aurea 

Native 

7 

Brassicaceae 

Draba brachycarpa 

Native 

- 

Brassicaceae 

Draba calcifuga 

Native 

- 

Brassicaceae 

Draba cana 

Native 

- 


B-20 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Brassicaceae 

Draba crassa 

Native 

- 

Brassicaceae 

Draba crassifolia 

Native 

- 

Brassicaceae 

Draba daviesiae 

Native 

- 

Brassicaceae 

Draba densifolia 

Native 

- 

Brassicaceae 

Draba fladnizensis 

Native 

- 

Brassicaceae 

Draba globosa 

Native 

- 

Brassicaceae 

Draba incerta 

Native 

- 

Brassicaceae 

Draba lonchocarpa 

Native 

5 

Brassicaceae 

Draba macounii 

Native 

- 

Brassicaceae 

Draba nemorosa 

Native 

2 

Brassicaceae 

Draba oligosperma 

Native 

- 

Brassicaceae 

Draba paysonii 

Native 

- 

Brassicaceae 

Draba paysonii var. paysonii 

Native 

- 

Brassicaceae 

Draba paysonii var. treleasii 

Native 

- 

Brassicaceae 

Draba porsildii 

Native 

- 

Brassicaceae 

Draba praealta 

Native 

4 

Brassicaceae 

Draba reptans 

Native 

- 

Brassicaceae 

Draba stenoloba 

Native 

4 

Brassicaceae 

Draba ventosa 

Native 

- 

Brassicaceae 

Draba vema 

Exotic 

0 

Lamiaceae 

Dracocephalum parviflorum 

Native 

3 

Lamiaceae 

Dracocephalum thymiflorum 

Exotic 

1 

Droseraceae 

Drosera anglica 

Native 

10 

Droseraceae 

Drosera linearis 

Native 

10 

Droseraceae 

Drosera rotundifolia 

Native 

10 

Rosaceae 

Dryas drummondii 

Native 

6 

Rosaceae 

Dryas integrifolia 

Native 

insuff. info. 

Rosaceae 

Dryas octopetala 

Native 

5 

Rosaceae 

Drymocallis arguta 
syn. Potentilla arguta 

Native 

4 

Rosaceae 

Drymocallis fissa 

Native 

- 

Rosaceae 

Drymocallis glandulosa 
syn. Potentilla glandulosa 

Native 

6 

Dryopteridaceae 

Dryopteris carthusiana 

Native 

7 

Diyopteridaceae 

Diyopteris cristata 

Native 

9 

Dryopteridaceae 

Dryopteris expansa 

Native 

8 

Diyopteridaceae 

Dryopteris filix-mas 

Native 

- 

Cyperaceae 

Dulichium arundinaceum 

Native 

9 

Asteraceae 

Dyssodia papposa 

Native 

- 

Asteraceae 

Echinacea angustifolia 

Native 

- 

Poaceae 

Echinochloa cms-galli 

Exotie 

0 

Poaceae 

Echinochloa muricata 

Native 

1 

Cucurbitaceae 

Echinocystis lobata 

Native 

5 

Boraginaceae 

Echium vulgare 

Exotic 

0 

Elaeagnaceae 

Elaeagnus angustifolia 

Exotic 

0 

Elaeagnaceae 

Elaeagnus commutata 

Native 

4 

Elatinaceae 

Elatine brachysperma 

Native 

6 

Elatinaceae 

Elatine califomica 

Native 

6 

Elatinaceae 

Elatine rubella 

Native 

6 

Elatinaceae 

Elatine triandra 

Native 

6 

Cyperaceae 

Eleocharis acicularis 

Native 

4 

Cyperaceae 

Eleoeharis atropurpurea 

Unknown/ 
Undetermined 

NA 


B-21 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Cyperaceae 

Eleocharis bella 

Native 

4 

Cyperaceae 

Eleocharis elliptica 
syn. Eleocharis tennis 

Native 

6 

Cyperaceae 

Eleocharis llavescens 

Unknown / 
Undetermined 

insuff. info. 

Cyperaceae 

Eleocharis ovata 

Native 

- 

Cyperaceae 

Eleocharis palustris 

Native 

4 

Cyperaceae 

Eleocharis quinqueflora 

Native 

7 

Cyperaceae 

Eleocharis rostellata 

Native 

9 

Cyperaceae 

Eleocharis tennis 
syn. Eleocharis elliptica 

Native 

6 

Poaceae 

Eleusine indica 

Exotic 

1 

Hydrophyllaceae 

Ellisia nyctelea 

Native 

- 

Hydrocharitaceae 

Elodea bifoliata 

Native 

8 

Hydrocharitaceae 

Elodea canadensis 

Native 

7 

Hydrocharitaceae 

Elodea nuttallii 

Native 

4 

Poaceae 

Elymus albicans 

Native 

- 

Poaceae 

Elymus angustus 

Exotic 

- 

Poaceae 

Elymns alaskanns 


absent 

Poaceae 

Elymus canadensis 

Native 

5 

Poaceae 

Elymus cinereus 

Leymus cinereus^ 

Native 

5 

Poaceae 

Elymus condensatus 

Exotic 

- 

Poaceae 

Elymus elymoides 

Native 

3 

Poaceae 

Elymus flavescens 

Native 

- 

Poaceae 

Elymus glaucus 

Native 

5 

Poaceae 

Elymus hispidus 

Exotic 

1 

Poaceae 

Elymus innovatus 

Native 

- 

Poaceae 

Elymus junceus 

Exotic 

1 

Poaceae 

Elymus lanceolatus 
syn. Agropyron dasystachyum 

Native 

4 

Poaceae 

Elymus repens 
syn. Agropyron repens 

Exotic 

0 

Poaceae 

Elymus scribneri 

Native 

- 

Poaceae 

Elymus smithii 
syn. Agropyron smithii, 

Pascopyrum smithii^ 

Native 

3 

Poaceae 

Elymus spicatus 

Native 

- 

Poaceae 

Elymus submuticus 

Native 

6 

Poaceae 

Elymus trachycaulus 
syn. Agropyron trachycaulum 

Native 

5 

Poaceae 

Elymus triticoides 

Leymus triticoides^ 

Native 

3 

Poaceae 

Elymus virginicus 

Native 

4 

Onagraceae 

Epilobium anagallidifolium 

Native 

5 

Onagraceae 

Epilobium brachycarpum 
syn. Epilobium paniculatum 

Native 

- 

Onagraceae 

Epilobium ciliatum 

Native 

3 

Onagraceae 

Epilobium ciliatum ssp. ciliatum 

Native 

3 

Onagraceae 

Epilobium ciliatum ssp. glandulosum 

Native 

- 

Onagraceae 

Epilobium clavatum 

Native 

7 

Onagraceae 

Epilobium densiilorum 

Native 

insuff. info. 

Onagraceae 

Epilobium glaberrimum 

Native 

5 


B-22 

















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Onagraceae 

Epilobium halleanum 

Native 

4 

Onagraceae 

Epilobium homemannii 

Native 

4 

Onagraceae 

Epilobium lactiflomm 

Native 

4 

Onagraceae 

Epilobinm leptocarpnm 

Native 

insuff. info. 

Onagraceae 

Epilobinm minntnm 

Native 

4 

Onagraceae 

Epilobium oregonense 

Native 

4 

Onagraceae 

Epilobium palustre 

Native 

7 

Onagraceae 

Epilobium palustre var. gracile 

Native 

- 

Onagraceae 

Epilobium palustre var. palustre 

Native 

- 

Onagraceae 

Epilobium pygmaeum 

Native 

4 

Onagraceae 

Epilobium saximontanum 

Native 

4 

Onagraceae 

Epilobium suffruticosum 

Native 

6 

Orchidaceae 

Epipactis gigantea 

Native 

8 

Orchidaceae 

Epipactis belleborine 

Exotic 

1 

Eqnisetaceae 

Equisetum X ferrissiE 

Native 

NA 

Eqnisetaceae 

Equisetum X mackaii^ 


NA 

Eqnisetaceae 

Equisetum X nelsoniP 


NA 

Eqnisetaceae 

Equisetum arvense 

Native 

2 

Eqnisetaceae 

Equisetum fluviatile 

Native 

6 

Eqnisetaceae 

Equisetum hyemale 

Native 

3 

Eqnisetaceae 

Equisetum laevigatum 

Native 

4 

Eqnisetaceae 

Equisetum palustre 

Native 

6 

Eqnisetaceae 

Equisetum pratense 

Native 

6 

Eqnisetaceae 

Equisetum scirpoides 

Native 

7 

Eqnisetaceae 

Equisetum sylvaticum 

Native 

5 

Eqnisetaceae 

Equisetum variegatum 

Native 

5 

Poaceae 

Eragrostis cilianensis 

Exotic 

1 

Poaceae 

Eragrostis hypnoides 

Native 

4 

Poaceae 

Eragrostis minor 

Exotic 

1 

Poaceae 

Eragrostis pectinacea 

Native 

4 

Poaceae 

Eremopyrum triticeum 

Exotic 

1 

Asteraceae 

Ericameria discoidea 

Native 

- 

Asteraceae 

Ericameria discoidea var. discoidea 

Native 

- 

Asteraceae 

Ericameria discoidea var. linearis 

Native 

- 

Asteraceae 

Ericameria nana 

Native 

- 

Asteraceae 

Ericameria nauseosa 

Native 

2 

Asteraceae 

Ericameria nauseosa var. graveolens 

Native 

- 

Asteraceae 

Ericameria nauseosa var. nauseosa 

Native 

- 

Asteraceae 

Ericameria nauseosa var. oreophila 

Native 

- 

Asteraceae 

Ericameria nauseosa var. speciosa 

Native 

- 

Asteraceae 

Ericameria parryi var. montana 

Native 

- 

Asteraceae 

Ericameria suffmticosa 

Native 

- 

Asteraceae 

Erigeron acris 

Native 

5 

Asteraceae 

Erigeron acris ssp. debilis 

Native 

- 

Asteraceae 

Erigeron acris ssp. kamtschaticus 

Native 

- 

Asteraceae 

Erigeron allocotus 

Native 

- 

Asteraceae 

Erigeron asperugineus 

Native 

- 

Asteraceae 

Erigeron caespitosus 

Native 

- 

Asteraceae 

Erigeron compositus 

Native 

- 

Asteraceae 

Erigeron corymbosus 

Native 

- 

Asteraceae 

Erigeron coulteri 

Native 

6 

Asteraceae 

Erigeron divergens 

Native 

- 

Asteraceae 

Erigeron eatonii 

Native 

- 


B-23 




























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Asteraceae 

Erigeron evermannii 

Native 

- 

Asteraceae 

Erigeron filifolius 

Native 

- 

Asteraceae 

Erigeron flabellifolius 

Native 

- 

Asteraceae 

Erigeron flagellaris 

Native 

3 

Asteraceae 

Erigeron formosissimns 

Native 

insuff. info. 

Asteraceae 

Erigeron glabellus 

Native 

4 

Asteraceae 

Erigeron glabellus var. glabellus 

Native 

- 

Asteraceae 

Erigeron glabellus var. pubescens 

Native 

- 

Asteraceae 

Erigeron gracilis 

Native 

6 

Asteraceae 

Erigeron grandifloms 

Native 

- 

Asteraceae 

Erigeron humilis 

Native 

8 

Asteraceae 

Erigeron lackschewitzii 

Native 

- 

Asteraceae 

Erigeron lanatns 

Native 

9 

Asteraceae 

Erigeron leiomerus 

Native 

- 

Asteraceae 

Erigeron linearis 

Native 

- 

Asteraceae 

Erigeron lonchophyllus 

Native 

4 

Asteraceae 

Erigeron ochroleucus 

Native 

- 

Asteraceae 

Erigeron ochroleucus var. ochroleucus 

Native 

- 

Asteraceae 

Erigeron ochroleucus var. scribneri 

Native 

- 

Asteraceae 

Erigeron parryi 

Native 

- 

Asteraceae 

Erigeron peregrinus 

Native 

7 

Asteraceae 

Erigeron philadelphicus 

Native 

3 

Asteraceae 

Erigeron pumilus 

Native 

- 

Asteraceae 

Erigeron radicatus 

Native 

- 

Asteraceae 

Erigeron rydbergii 

Native 

- 

Asteraceae 

Erigeron simplex 

Native 

- 

Asteraceae 

Erigeron speciosus 

Native 

- 

Asteraceae 

Erigeron strigosns 

Native 

3 

Asteraceae 

Erigeron subtrinervis 

Native 

- 

Asteraceae 

Erigeron tener 

Native 

- 

Asteraceae 

Erigeron tweedyi 

Native 

- 

Asteraceae 

Erigeron ursinus 

Native 

- 

Polygonaceae 

Eriogonum androsaceum 

Native 

- 

Polygonaceae 

Eriogonum annuum 

Native 

- 

Polygonaceae 

Eriogonum brevicaule var. canum 

Native 

- 

Polygonaceae 

Eriogonum caespitosum 

Native 

- 

Polygonaceae 

Eriogonum cemuum 

Native 

- 

Polygonaceae 

Eriogonum crosbyae 

Native 

- 

Polygonaceae 

Eriogonum effusum 

Unknown / 
Undetermined 

- 

Polygonaceae 

Eriogonum flavum 

Native 

- 

Polygonaceae 

Eriogonum flavum var. flavum 

Native 

- 

Polygonaceae 

Eriogonum flavum var. piperi 

Native 

- 

Polygonaceae 

Eriogonum heracleoides 

Native 

- 

Polygonaceae 

Eriogonum mancum 

Native 

- 

Polygonaceae 

Eriogonum microthecum 

Native 

- 

Polygonaceae 

Eriogonum microthecum var. laxiflorum 

Native 

- 

Polygonaceae 

Eriogonum microthecum var. simpsonii 

Native 

- 

Polygonaceae 

Eriogonum ovalifolium 

Native 

4 

Polygonaceae 

Eriogonum ovalifolium var. depressum 

Native 

- 

Polygonaceae 

Eriogonum ovalifolium var. ochroleucum 

Native 

- 

Polygonaceae 

Eriogonum ovalifolium var. ovalifolium 

Native 

- 

Polygonaceae 

Eriogonum ovalifolium var. pansum 

Native 

- 


B-24 



























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Polygonaceae 

Eriogonum ovabfobum var. purpureum 

Native 

- 

Polygonaceae 

Eriogonum pauciflorum 

Native 

- 

Polygonaceae 

Eriogonum pyrolifolium 

Native 

- 

Polygonaceae 

Eriogonum salsuginosum 

Native 

- 

Polygonaceae 

Eriogonum soliceps 

Native 

- 

Polygonaceae 

Eriogonum strictum 

Native 

- 

Polygonaceae 

Eriogonum umbellatum 

Native 

- 

Polygonaceae 

Eriogonum umbellatum var. aureum 

Native 

- 

Polygonaceae 

Eriogonum umbellatum var. deserticum 

Native 

- 

Polygonaceae 

Eriogonum umbellatum var. dichrocephalum 

Native 

- 

Polygonaceae 

Eriogonum umbellatum var. ellipticum 

Native 

- 

Polygonaceae 

Eriogonum umbellatum var. majus 

Native 

- 

Polygonaceae 

Eriogonum umbellatum var. umbellatum 

Native 

- 

Polygonaceae 

Eriogonum visheri 

Native 

- 

Cyperaceae 

Eriophorum angustifolium 

Native 

9 

Cyperaceae 

Eriophorum callitrix 

Native 

10 

Cyperaceae 

Eriophorum chamissonis 

Native 

9 

Cyperaceae 

Eriophorum gracile 

Native 

10 

Cyperaceae 

Eriophomm scheuchzeri 

Unknown / 
Undetenuined 

10 

Cyperaceae 

Eriophorum viridicarinatum 

Native 

10 

Asteraceae 

Eriophyllum lanatum 

Native 

- 

Asteraceae 

Eriophyllum lanatum var. integrifolium 

Native 

- 

Asteraceae 

Eriophyllum lanatum var. lanatum 

Native 

- 

Boraginaceae 

Eritrichium howardii 

Native 

- 

Boraginaceae 

Eritrichium nanum 

Native 

- 

Geraniaceae 

Erodium cicutarium 

Exotic 

0 

Brassicaceae 

Eruca vesicaria 

Exotic 

1 

Brassicaceae 

Erucastrum gallicum 

Exotic 

1 

Brassicaceae 

Erysimum asperum 

Native 

- 

Brassicaceae 

Erysimum capitatum 

Native 

- 

Brassicaceae 

Erysimum cheiranthoides 

Native 

- 

Brassicaceae 

Erysimum inconspicuum 

Native 

- 

Brassicaceae 

Erysimum repandum 

Exotic 

1 

Liliaceae 

Erythronium grandiflorum 

Native 

- 

Liliaceae 

Eiythronium grandiflorum var. candidum 

Native 

- 

Liliaceae 

Erythronium grandiflorum var. grandiflorum 

Native 

- 

Asteraceae 

Eucephalus elegans 

Native 

- 

Asteraceae 

Eucephalus engelmannii 

Native 

- 

Asteraceae 

Eupatorium maculatum 

Native 

5 

Euphorbiaceae 

Euphorbia agraria 

Exotic 

1 

Euphorbiaceae 

Euphorbia brachycera 

Native 

- 

Eupborbiaceae 

Euphorbia cyparissias 

Exotic 

1 

Euphorbiaceae 

Euphorbia esula 

Exotic 

0 

Euphorbiaceae 

Euphorbia geyeri 

Native 

- 

Euphorbiaceae 

Euphorbia glyptosperma 

Native 

- 

Euphorbiaceae 

Euphorbia helioscopia 

Exotic 

1 

Euphorbiaceae 

Euphorbia hexagona 

Unknown / 
Undetenuined 

- 

Euphorbiaceae 

Euphorbia marginata 

Native 

3 

Euphorbiaceae 

Euphorbia missurica 

Native 

- 

Euphorbiaceae 

Euphorbia oblongata 

Exotic 

0 

Euphorbiaceae 

Euphorbia peplus 

Exotic 

1 


B-25 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Euphorbiaceae 

Euphorbia serpens 

Native 

3 

Euphorbiaceae 

Euphorbia serpyllifolia 

Native 

- 

Eupborbiaceae 

Euphorbia spathulata 

Native 

3 

Euphorbiaceae 

Euphorbia supina 

Exotic 

1 

Orobanchaceae 

Euphrasia subarctica 

Native 

- 

Asteraceae 

Eurybia conspicua 

Native 

- 

Asteraceae 

Eurybia glauca 

Native 

- 

Asteraceae 

Eurybia integrifolia 

Native 

- 

Asteraceae 

Eurybia merita 

Native 

4 

Asteraceae 

Eurybia sibirica 

Native 

5 

Gentianaceae 

Eustoma grandiflorum 

Unknown / 
Undetenuined 

- 

Asteraceae 

Euthamia graminifolia 

Unknown / 
Undetermined 

7 

Asteraceae 

Euthamia occidentabs 

Native 

7 

Brassicaceae 

Eutrema salsugineum 

Unknown / 
Undetermined 

- 

Asteraceae 

Evax prolifera 

Unknown / 
Undetenuined 

- 

Convolvulaceae 

Evolvulus nuttallianus 

Native 

- 

Poaceae 

Festuca baffmensis 

Native 

- 

Poaceae 

Festuca brachyphylla 

Native 

- 

Poaceae 

Festuca campestris 

Native 

- 

Poaceae 

Festuca hallii 

Native 

- 

Poaceae 

Festuca idahoensis 

Native 

4 

Poaceae 

Festuca minutiflora 

Native 

- 

Poaceae 

Festuca occidentabs 

Native 

- 

Poaceae 

Festuca ovina 

Exotic 

1 

Poaceae 

Festuca rubra 

Native/Naturalized 

1 

Poaceae 

Festuca saximontana 

Native 

- 

Poaceae 

Festuca subulata 

Native 

7 

Poaceae 

Festuca viridula 

Native 

- 

Poaceae 

Festuca viviparoidea 

Native 

- 

Asteraceae 

Filago arvensis 

Exotic 

0 

Limnantbaceae 

Floerkea proserpinacoides 

Native 

4 

Rosaceae 

Fragaria vesca 

Native 

4 

Rosaceae 

Fragaria virginiana 

Native 

3 

Rosaceae 

Fragaria virginiana ssp. glauca 

Native 

- 

Rosaceae 

Fragaria virginiana var. platypetala 

Native 

- 

Rbamnaceae 

Frangula purshiana 

Native 

6 

Gentianaceae 

Frasera albicaubs 

Native 

- 

Gentianaceae 

Frasera speciosa 

Native 

- 

Oleaceae 

Fraxinus pennsylvanica 

Native 

4 

Liliaceae 

Fritillaria atropurpurea 

Native 

- 

Libaceae 

Fritillaria pudica 

Native 

- 

Fumariaceae 

Fumaria officinalis 

Exotic 

1 

Fumariaceae 

Fumaria vaillantii 

Exotic 

1 

Asteraceae 

Gaillardia aristata 

Native 

- 

Lamiaceae 

Galeopsis tetrahit 

Exotic 

1 

Asteraceae 

Galinsoga quadriradiata 

Exotic 

1 

Rubiaceae 

Galium apariue 

Native 

3 

Rubiaceae 

Galium bifolium 

Native 

- 

Rubiaceae 

Galium boreale 

Native 

4 


B-26 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Rubiaceae 

Galium mexicanum 

Native 

2 

Rubiaceae 

Galium mollugo 

Exotic 

1 

Rubiaceae 

Galium palustre 

Unknown / 
Undetenuined 

5 

Rubiaceae 

Galium pedemontanum 

Exotic 

1 

Rubiaceae 

Galium trifidum 

Native 

6 

Rubiaceae 

Galium trifidum ssp. columbianum 

Native 

- 

Rubiaceae 

Galium trifidum ssp. subbiflorum 

Native 

- 

Rubiaceae 

Galium trifidum ssp. trifidum 

Native 

- 

Rubiaceae 

Galium triflomm 

Native 

6 

Rubiaceae 

Galium verum 

Exotic 

1 

Ericaceae 

Gaultheria humiflisa 

Native 

8 

Ericaceae 

Gaultheria ovatifolia 

Native 

8 

Onagraceae 

Gaura coccinea 

Native 

- 

Onagraceae 

Gaura parviflora 

Native 

- 

Onagraceae 

Gayophytum decipiens 

Native 

- 

Onagraceae 

Gayophytum diffusum 

Native 

- 

Onagraceae 

Gayophytum humile 

Unknown / 
Undetermined 

- 

Onagraceae 

Gayophytum racemosum 

Native 

4 

Onagraceae 

Gayophytum ramosissimum 

Native 

- 

Gentianaceae 

Gentiana affinis 

Native 

6 

Gentianaceae 

Gentiana algida 

Native 

9 

Gentianaceae 

Gentiana calycosa 

Native 

7 

Gentianaceae 

Gentiana fremontii 

Native 

7 

Gentianaceae 

Gentiana glauca 

Native 

10 

Gentianaceae 

Gentiana prostrata 

Native 

6 

Gentianaceae 

Gentianella amarella 

Native 

3 

Gentianaceae 

Gentianella propinqua 

Native 

10 

Gentianaceae 

Gentianella tenella 

Native 

6 

Gentianaceae 

Gentianopsis macounii 

Native 

- 

Gentianaceae 

Gentianopsis simplex 

Native 

9 

Gentianaceae 

Gentianopsis thermalis 

Native 

8 

Santalaceae 

Geocaulon lividum 

Native 

7 

Geraniaceae 

Geranium bicknellii 

Native 

- 

Geraniaceae 

Geranium carolinianum 

Unknown / 
Undetenuined 

- 

Geraniaceae 

Geranium molle 

Exotic 

1 

Geraniaceae 

Geranium pusillum 

Exotic 

1 

Geraniaceae 

Geranium richardsonii 

Native 

5 

Geraniaceae 

Geranium robertianum 

Exotic 

1 

Geraniaceae 

Geranium viscosissimum 

Native 

4 

Geraniaceae 

Geranium viscosissimum var. incisum 

Native 

- 

Geraniaceae 

Geranium viscosissimum var. viscosissimum 

Native 

- 

Rosaceae 

Geum aleppicum 

Native 

6 

Rosaceae 

Geum canadense 

Native 

6 

Rosaceae 

Geum macrophyllum 

Native 

5 

Rosaceae 

Geum rivale 

Native 

7 

Rosaceae 

Geum rossii 

Native 

- 

Rosaceae 

Geum rossii var. rossii 

Native 

- 

Rosaceae 

Geum rossii var. turbinatum 

Native 

- 

Rosaceae 

Geum triflorum 

Native 

3 

Polemoniaceae 

Gilia leptomeria 

Native 

- 


B-27 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Polemoniaceae 

Gilia tenerrima 

Native 

- 

Polemoniaceae 

Gilia tweedyi 

Native 

- 

Campanulaceae 

Githopsis specnlarioides 

Native 

insuff. info. 

Papaveraceae 

Glaucium corniculatum 

Exotic 

1 

Myrsinaceae 

Glaux maritima 

Native 

5 

Lamiaceae 

Glechoma hederacea 

Exotic 

1 

Crossosomataceae 

Glossopetalon spinescens 

Native 

- 

Poaceae 

Glyceria borealis 

Native 

6 

Poaceae 

Glyceria elata 

Native 

6 

Poaceae 

Glyceria grandis 

Native 

7 

Poaceae 

Glyceria striata 

Native 

6 

Fabaceae 

Glycyrrhiza lepidota 

Native 

3 

Asteraceae 

Gnaphalium macounii 

Native 

- 

Asteraceae 

Gnaphalium microcephalum 

Native 

- 

Asteraceae 

Gnaphalium palustre 

Native 

3 

Asteraceae 

Gnaphalium purpureum 

Unknown / 
Undetermined 

- 

Asteraceae 

Gnaphalium stramineum 

Native 

3 

Asteraceae 

Gnaphalium uliginosum 

Exotic 

1 

Orchidaceae 

Goodyera oblongifolia 

Native 

5 

Orchidaceae 

Goodyera repens 

Native 

6 

Plantaginaceae 

Gratiola ebracteata 

Native 

8 

Plantaginaceae 

Gratiola neglecta 

Native 

8 

Amaranthaceae 

Grayia spinosa 

Native 

- 

Asteraceae 

Grindelia howellii 

Native 

2 

Asteraceae 

Grindelia nana 

Native 

3 

Asteraceae 

Grindelia squarrosa 

Native 

2 

Asteraceae 

Gutierrezia sarothrae 

Native 

- 

Dryopteridaceae 

Gymnocarpium dryopteris 

Native 

7 

Polemoniaceae 

Gymnosteris parvula 

Native 

3 

Caryophyllaceae 

Gypsophila paniculata 

Exotic 

0 

Caryophyllaceae 

Gypsophila scorzonerifolia 

Exotic 

0 

Boraginaceae 

Flackelia cinerea 

Native 

- 

Boraginaceae 

Flackelia deflexa 

Native 

- 

Boraginaceae 

Hackelia floribnnda 

Native 

4 

Boraginaceae 

Hackelia micrantha 

Native 

4 

Boraginaceae 

Flackelia patens 

Native 

- 

Gentianaceae 

Flalenia deflexa 

Native 

4 

Amaranthaceae 

Flalogeton glomeratus 

Exotic 

0 

Lamiaceae 

Fledeoma drummondii 

Native 

- 

Lamiaceae 

Fledeoma hispida 

Native 

- 

Fabaceae 

Hedysarnm alpinnm 

Native 

6 

Fabaceae 

Fledysarum boreale 

Native 

- 

Fabaceae 

Fledysarum occidentale 

Native 

- 

Fabaceae 

Fledysarum sulphurescens 

Native 

- 

Asteraceae 

Flelenium autumnale 

Native 

6 

Asteraceae 

Flelenium hoopesii 

Unknown / 
Undetennined 

- 

Asteraceae 

Flelianthella quinquenervis 

Native 

4 

Asteraceae 

Flelianthella uniflora 

Native 

- 

Asteraceae 

Helianthus annuus 

Native 

2 

Asteraceae 

Helianthus maximiliani 

Native 

4 

Asteraceae 

Flelianthus nuttallii 

Native 

7 


B-28 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Asteraceae 

Helianthus pauciflorus 

Native 

- 

Asteraceae 

Helianthus petiolaris 

Native 

- 

Asteraceae 

Helianthus pumilus 

Unknown / 
Undetenuined 

- 

Asteraceae 

Helianthus x laetiflorus 

Unknown / 
Undetermined 

- 

Poaceae 

Helictotrichon hookeri 

Native 

- 

Boraginaceae 

Heliotropium curassavicum 

Native 

5 

Asteraceae 

Helminthotheca echioides 

Exotic 

1 

Liliaceae 

Hemerocallis fulva 

Exotic 

1 

Apiaceae 

Heracleum lanatum 
syn. Heracleum maximum^ 

Native 

5 

Brassicaceae 

Hesperis matronalis 

Exotic 

0 

Hydrophyllaceae 

Hesperochiron californicus 

Native 

6 

Hydrophyllaceae 

Hesperochiron pumilus 

Native 

9 

Pontederiaceae 

Heteranthera dubia 

Native 

7 

Campanulaceae 

Heterocodon rariflorum 

Native 

7 

Asteraceae 

Heterotheca villosa 

Native 

- 

Asteraceae 

Heterotheca villosa var. depressa 

Unknown / 
Undetermined 

- 

Asteraceae 

Heterotheca villosa var. foliosa 

Native 

- 

Asteraceae 

Heterotheca villosa var. minor 

Native 

- 

Asteraceae 

Heterotheca villosa var. villosa 

Native 

- 

Saxifragaceae 

Heuchera cylindrica 

Native 

- 

Saxifragaceae 

Heuchera cylindrica var. cylindrica 

Native 

- 

Saxifragaceae 

Heuchera cylindrica var. glabella 

Native 

- 

Saxifragaceae 

Heuchera grossulariifolia 

Native 

- 

Saxifragaceae 

Heuchera parvifolia 

Native 

- 

Saxifragaceae 

Heuchera richardsonii 

Native 

4 

Malvaceae 

Hibiscus trionum 

Exotic 

1 

Asteraceae 

Hieracium albiflorum 

Native 

- 

Asteraceae 

Hieracium aurantiacum 

Exotic 

0 

Asteraceae 

Hieracium caespitosum 

Exotic 

0 

Asteraceae 

Hieracium gracile 

Native 

- 

Asteraceae 

Hieracium praealtum 

Exotic 

0 

Asteraceae 

Hieracium scouleri 

Native 

- 

Asteraceae 

Hieracium scouleri var. albertinum 

Native 

- 

Asteraceae 

Hieracium scouleri var. griseum 

Native 

- 

Asteraceae 

Hieracium scouleri var. scouleri 

Native 

- 

Asteraceae 

Hieracium umbellatum 

Native 

- 

Hippuridaceae 

Hippuris vulgaris 

Native 

6 

Poaceae 

Holcus lanatus 

Exotic 

1 

Rosaceae 

Holodiscus discolor 

Native 

4 

Caryophyllaceae 

Holosteum umbellatum 

Exotic 

0 

Poaceae 

Hordeum brachyantherum 

Native 

5 

Poaceae 

Hordeum jubatum 

Native 

2 

Poaceae 

Hordeum marinum 

Exotic 

1 

Poaceae 

Hordeum murinum 

Exotic 

0 

Poaceae 

Hordeum pusillum 

Native 

3 

Poaceae 

Hordeum vulgare 

Exotic 

1 

Rosaceae 

Horkelia fusca 

Native 

- 

Brassicaceae 

Homungia procumbens 

Native 

4 

Campanulaceae 

Howellia aquatilis 

Native 

9 


B-29 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Asteraceae 

Hulsea algida 

Native 

- 

Cannabaceae 

Humulus lupulus 

Exotic 

1 

Lycopodiaceae 

Huperzia haleakalae 

Native 

insuff. info. 

Lycopodiaceae 

Huperzia miyoshiana 

Native 

- 

Lycopodiaceae 

Huperzia occidentalis 

Native 

- 

Hydrophyllaceae 

Hydrophyllum capitatum 

Native 

- 

Asteraceae 

Hymenopappus fdifolius 

Native 

- 

Asteraceae 

Hymenopappus fdifolius var. luteus 

Native 

- 

Asteraceae 

Hymenopappus fdifolius var. polycephalus 

Native 

- 

Asteraceae 

Hymenoxys acaulis 

Native 

- 

Asteraceae 

Hymenoxys grandiflora 

Native 

- 

Asteraceae 

Hymenoxys richardsonii 

Native 

- 

Asteraceae 

Hymenoxys torreyana 

Native 

- 

Solanaceae 

Hyoscyamus niger 

Exotic 

0 

Clusiaceae 

Hypericum anagalloides 

Native 

7 

Clusiaceae 

Hypericum majus 

Native 

8 

Clusiaceae 

Hypericum perforatum 

Exotic 

0 

Clusiaceae 

Hypericum scouleri 

Native 

7 

Clusiaceae 

Hypericum scouleri ssp. nortoniae 

Native 

- 

Clusiaceae 

Hypericum scouleri ssp. scouleri 

Native 

- 

Asteraceae 

Hypochaeris radicata 

Exotic 

1 

Lamiaceae 

Hyssopus officinalis 

Exotic 

1 

Brassicaceae 

Idahoa scapigera 

Native 

- 

Malvaceae 

Iliamna rivularis 

Native 

3 

Balsaminaceae 

Impatiens aurella 

Native 

3 

Balsaminaceae 

Impatiens ecalcarata 

Native 

3 

Asteraceae 

lonactis alpina 

Native 

- 

Asteraceae 

lonactis stenomeres 

Native 

- 

Convolvulaceae 

Ipomoea leptophylla 

Native 

- 

Polemoniaceae 

Ipomopsis aggregata 

Native 

- 

Polemoniaceae 

Ipomopsis congesta 

Native 

- 

Polemoniaceae 

Ipomopsis congesta ssp. congesta 

Native 

- 

Polemoniaceae 

Ipomopsis congesta ssp. crebrifolia 

Native 

- 

Polemoniaceae 

Ipomopsis congesta ssp. pseudotypica 

Native 

- 

Polemoniaceae 

Ipomopsis minutiflora 

Native 

- 

Polemoniaceae 

Ipomopsis pumila 

Native 

- 

Polemoniaceae 

Ipomopsis spicata 

Native 

- 

Polemoniaceae 

Ipomopsis spicata ssp. orchidacea 

Native 

- 

Polemoniaceae 

Ipomopsis spicata ssp. spicata 

Native 

- 

Iridaceae 

Iris missouriensis 

Native 

3 

Iridaceae 

Iris pseudacorus 

Exotic 

0 

Brassicaceae 

Isatis tinctoria 

Exotic 

0 

Isoetaceae 

Isoetes bolanderi 

Native 

7 

Isoetaceae 

Isoetes echinospora 

Native 

9 

Isoetaceae 

Isoetes howellii 

Native 

8 

Isoetaceae 

Isoetes melanopoda^ 


absent 

Isoetaceae 

Isoetes nuttallii^ 


absent 

Isoetaceae 

Isoetes occidentalis 

Native 

9 

Asteraceae 

Iva axillaris 

Native 

3 

Asteraceae 

Iva xanthifolia 

Unknown / 
Undetermined 

3 

Rosaceae 

Ivesia gordonii 

Native 

- 


B-30 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Rosaceae 

Ivesia tweedyi 

Unknown / 
Undetemiined 

- 

Juncaceae 

Juncus acuminatus 

Native 

5 

Juncaceae 

Juncus alpinoarticulatus 

Native 

7 

Juncaceae 

Juncus articulatus 

Native 

7 

Juncaceae 

Juncus balticus 

Native 

3 

Juncaceae 

Juncus biglumis 

Native 

9 

Juncaceae 

Juncus brachyphyllus 

Unknown/ 
Undetermined 

NA 

Juncaceae 

Juncus bufonius 

Native 

1 

Juncaceae 

Juncus castaneus 

Native 

9 

Juncaceae 

Juncus compressus 

Exotic 

1 

Juncaceae 

Juncus confusus 

Native 

2 

Juncaceae 

Juncus covillei 

Native 

4 

Juncaceae 

Juncus covillei var. covillei 

Native 

- 

Juncaceae 

Juncus covillei var. obtusatus 

Native 

- 

Juncaceae 

Juncus drummondii 

Native 

7 

Juncaceae 

Juncus dudleyi 

Native 

3 

Juncaceae 

Juncus effusus 

Native 

6 

Juncaceae 

Juncus ensifolius 

Native 

4 

Juncaceae 

Juncus fdiformis 

Native 

7 

Juncaceae 

Juncus gerardii 

Exotic 

1 

Juncaceae 

Juncus hallii 

Native 

6 

Juncaceae 

Juncus interior 

Native 

3 

Juncaceae 

Juncus longistylis 

Native 

5 

Juncaceae 

Juncus mertensianus 

Native 

7 

Juncaceae 

Juncus nevadensis 

Native 

8 

Juncaceae 

Juncus nodosus 

Native 

5 

Juncaceae 

Juncus orthophyllus 
syn. Juncus longistylis 

Native 

5 

Juncaceae 

Juncus parryi 

Native 

7 

Juncaceae 

Juncus regelii 

Native 

6 

Juncaceae 

Juncus saximontanus^ 


absent 

Juncaceae 

Juncus tenuis 

Native 

3 

Juncaceae 

Juncus torreyi 

Native 

5 

Juncaceae 

Juncus triglumis 

Native 

8 

Juncaceae 

Juncus triglumis var. albescens 

Native 

9 

Juncaceae 

Juncus triglumis var. triglumis 

Native 

8 

Juncaceae 

Juncus tweedyi 

Unknown / 
Undetemiined 

- 

Juncaceae 

Juncus vaseyi 

Unknown / 
Undetermined 

insuff. info. 

Cupressaceae 

Juniperus communis 

Native 

4 

Cupressaceae 

Juniperus horizontalis 

Native 

4 

Cupressaceae 

Junipems osteosperma 

Native 

- 

Cupressaceae 

Junipems scopulorum 

Native 

- 

Ericaceae 

Kalmia microphylla 

Native 

5 

Rubiaceae 

Kelloggia galioides 

Native 

- 

Rosaceae 

Kelseya uniflora 

Native 

- 

Dipsacaceae 

Knautia arvensis 

Exotic 

0 

Cyperaceae 

Kobresia myosuroides 

Native 

7 

Cyperaceae 

Kobresia sibirica 

Native 

8 

Cyperaceae 

Kobresia simpliciuscula 

Native 

9 


B-31 























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Amaranthaceae 

Kochia americana 

Native 

4 

Amaranthaceae 

Kochia scoparia 

Bassia scoparia^ 

Exotie 

0 

Poaceae 

Koeleria macrantha 

Native 

- 

Polygonaceae 

Koenigia islandiea 

Native 

10 

Amaranthaceae 

Krascheninnikovia lanata 

Native 

- 

Asteraceae 

Lactuca biennis 

Unknown / 
Undetermined 

3 

Asteraceae 

Lactuca canadensis 

Unknown / 
Undetermined 

insnff. info. 

Asteraceae 

Lactuca ludoviciana 

Native 

3 

Asteraceae 

Lactuca serriola 

Exotic 

0 

Asteraceae 

Lactuca tatarica 

Native 

4 

Asteraceae 

Lagophylla ramosissima 

Native 

- 

Lamiaeeae 

Lamium amplexicaule 

Exotic 

1 

Lamiaceae 

Lamium purpureum 

Exotic 

1 

Boraginaeeae 

Lappula cenchrusoides 

Unknown / 
Undetermined 

- 

Boraginaceae 

Lappula occidentalis 

Unknown / 
Undetenuined 

- 

Boraginaeeae 

Lappula squarrosa 

Exotie 

1 

Asteraceae 

Lapsana communis 

Exotic 

1 

Pinaceae 

Larix lyallii 

Native 

- 

Pinaceae 

Larix occidentalis 

Native 

4 

Fabaceae 

Lathyrus bijugatus 

Native 

- 

Fabaceae 

Lathyrus latifolius 

Exotic 

1 

Fabaceae 

Lathyrus ochroleucus 

Native 

- 

Fabaceae 

Lathyrus sylvestris 

Exotic 

1 

Fabaceae 

Lathyrus tuberosus 

Exotic 

1 

Ericaceae 

Ledum glandulosum 

Rhododendron columbianum^ 

Native 

7 

Poaceae 

Leersia oryzoides 

Native 

8 

Lemnaceae 

Lemna gibba 

Unknown / 
Undetermined 

insnff. info. 

Lemnaceae 

Lemna minor 

Native 

2 

Lemnaceae 

Lemna trisulea 

Native 

5 

Lemnaceae 

Lemna turionifera 

Native 

2 

Lemnaceae 

Lemna valdiviana 

Native 

insnff. info. 

Lamiaeeae 

Leonums cardiaca 

Exotie 

0 

Brassicaceae 

Lepidium appelianum 

Exotic 

0 

Brassicaceae 

Lepidium campestre 

Exotic 

0 

Brassicaceae 

Lepidium chalepense 

Exotic 

0 

Brassicaceae 

Lepidium densiflorum 

Native 

3 

Brassieaceae 

Lepidium densiflomm var. densiflorum 

Native 

- 

Brassicaceae 

Lepidium densiflomm var. pubecarpum 

Native 

- 

Brassieaceae 

Lepidium densiflomm var. ramosum 

Native 

- 

Brassicaceae 

Lepidium draba 

Exotic 

0 

Brassieaceae 

Lepidium latifolium 

Exotic 

0 

Brassicaceae 

Lepidium montanum 

Native 

- 

Brassieaceae 

Lepidium perfoliatum 

Exotie 

0 

Brassicaceae 

Lepidium ramosissimum 

Native 

- 

Brassieaceae 

Lepidium ramosissimum var. bourgeauanum 

Native 

- 

Brassicaceae 

Lepidium ramosissimum var. ramosissimum 

Native 

- 


B-32 





















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Brassicaceae 

Lepidium sativum 

Exotic 

1 

Brassicaceae 

Lepidium virginicum 

Exotic 

1 

Brassicaceae 

Lepidium virginicum var. medium 

Native 

- 

Brassicaceae 

Lepidium virginicum var. pubescens 

Native 

- 

Saxifragaceae 

Leptarrhena pyrolifolia 

Native 

8 

Poaceae 

Leptochloa flisca 

Exotic 

1 

Polemoniaceae 

Leptodactylon caespitosum 

Native 

- 

Polemoniaceae 

Leptodactylon pungens 

Native 

- 

Asteraceae 

Leucanthemum vulgare 

Exotic 

0 

Liliaceae 

Leucocrinum montanum 

Native 

- 

Poaceae 

Leucopoa kingii 

Native 

- 

Portulacaceae 

Lewisia Columbiana 

Native 

- 

Portulacaceae 

Lewisia pygmaea 

Native 

5 

Portulacaceae 

Lewisia rediviva 

Native 

- 

Portulacaceae 

Lewisia triphylla 

Native 

- 

Asteraceae 

Liatris ligulistylis 

Native 

4 

Asteraceae 

Liatris punctata 

Native 

- 

Apiaceae 

Ligusticum canbyi 

Native 

6 

Apiaceae 

Ligusticum fdicinum 

Native 

- 

Apiaceae 

Ligusticum grayi^ 

Unknown/ 
Undetermined 

NA 

Apiaceae 

Ligusticum porteri^ 

Unknown / 
Undetermined 

NA 

Apiaceae 

Ligusticum tenuifolium 

Native 

7 

Apiaceae 

Ligusticum verticillatum 

Native 

6 

Juncaginaceae 

Lilaea scilloides 

Native 

6 

Liliaceae 

Lilium columbianum 

Native 

- 

Liliaceae 

Lilium philadelphicum 

Native 

9 

Plantaginaceae 

Limosella aquatica 

Native 

4 

Polemoniaceae 

Linanthastmm nuttallii 

Leptosiphon nuttallii^ 

Native 

5 

Polemoniaceae 

Linanthus septentrionalis 

Native 

- 

Plantaginaceae 

Linaria dalmatica 

Exotic 

0 

Plantaginaceae 

Linaria vulgaris 

Exotic 

0 

Caprifoliaceae 

Linnaea borealis 

Native 

4 

Linaceae 

Linum australe 

Native 

- 

Linaceae 

Linum lewisii 

Native 

- 

Linaceae 

Linum rigidum 

Native 

- 

Linaceae 

Linum rigidum var. compactum 

Native 

- 

Linaceae 

Linum rigidum var. rigidum 

Native 

- 

Linaceae 

Linum usitatissimum 

Exotic 

1 

Orchidaceae 

Liparis loeselii 

Native 

10 

Cyperaceae 

Lipocarpha micrantha 

Native 

insnff. info. 

Orchidaceae 

Listera borealis 

Native 

9 

Orchidaceae 

Listera caurina 

Native 

7 

Orchidaceae 

Listera convallarioides 

Native 

8 

Orchidaceae 

Listera cordata 

Native 

7 

Saxifragaceae 

Lithophragma glabrum 

Native 

- 

Saxifragaceae 

Lithophragma parviflorum 

Native 

- 

Saxifragaceae 

Lithophragma tenellum 

Native 

- 

Boraginaceae 

Lithospermum arvense 

Exotic 

0 

Boraginaceae 

Lithospermum incisum 

Native 

- 

Boraginaceae 

Lithospermum ruderale 

Native 

- 


B-33 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Liliaceae 

Lloydia serotina 

Native 

7 

Campanulaceae 

Lobelia kalmii 

Native 

5 

Campanulaceae 

Lobelia spicata 

Native 

7 

Brassicaceae 

Lobularia maritima 

Exotic 

1 

Poaceae 

Lolium multiflorum 

Exotic 

1 

Poaceae 

Lolium perenne 

Exotic 

1 

Poaceae 

Lolium persicum 

Exotic 

1 

Poaceae 

Lolium temulentum 

Exotic 

1 

Apiaceae 

Lomatium ambiguum 

Native 

- 

Apiaceae 

Lomatium attenuatum 

Native 

- 

Apiaceae 

Lomatium bicolor 

Native 

7 

Apiaceae 

Lomatium cous 

Native 

- 

Apiaceae 

Lomatium cusickii 

Native 

- 

Apiaceae 

Lomatium dissectum 

Native 

- 

Apiaceae 

Lomatium foeniculaceum 

Native 

- 

Apiaceae 

Lomatium geyeri 

Native 

- 

Apiaceae 

Lomatium macrocarpum 

Native 

- 

Apiaceae 

Lomatium nuttallii 

Native 

- 

Apiaceae 

Lomatium orientale 

Native 

- 

Apiaceae 

Lomatium sandbergii 

Native 

- 

Apiaceae 

Lomatium tritematum 

Native 

- 

Apiaceae 

Lomatium tritematum var. anomalum 

Native 

- 

Apiaceae 

Lomatium tritematum var. platycarpum 

Native 

- 

Apiaceae 

Lomatium tritematum var. tritematum 

Native 

- 

Gentianaceae 

Lomatogonium rotatum 

Native 

6 

Caprifoliaceae 

Lonicera caemlea 

Native 

8 

Caprifoliaceae 

Lonicera ciliosa 

Native 

- 

Caprifoliaceae 

Lonicera involucrata 

Native 

5 

Caprifoliaceae 

Lonicera morrowii 

Exotic 

1 

Caprifoliaceae 

Lonicera tatarica 

Exotic 

1 

Caprifoliaceae 

Lonicera utahensis 

Native 

4 

Asteraceae 

Lorandersonia linifolia 

Native 

4 

Fabaceae 

Lotus comiculatus 

Exotic 

1 

Fabaceae 

Lotus tenuis 

Exotic 

1 

Fabaceae 

Lotus unifoliolatus 

Native 

- 

Rosaceae 

Luetkea pectinata 

Native 

6 

Fabaceae 

Lupinus arbustus 

Native 

- 

Fabaceae 

Lupinus argenteus 

Native 

- 

Fabaceae 

Lupinus argenteus var. argentatus 

Native 

- 

Fabaceae 

Lupinus argenteus var. argenteus 

Native 

- 

Fabaceae 

Lupinus argenteus var. depressus 

Native 

- 

Fabaceae 

Lupinus argenteus var. parvifloms 

Native 

- 

Fabaceae 

Lupinus argenteus var. mbricaulis 

Native 

- 

Fabaceae 

Lupinus caudatus 

Unknown / 
Undetermined 

- 

Fabaceae 

Lupinus lepidus 

Native 

- 

Fabaceae 

Lupinus lepidus var. utahensis 

Unknown / 
Undetennined 

5 

Fabaceae 

Lupinus leucophyllus 

Native 

- 

Fabaceae 

Lupinus polyphyllus 

Native 

6 

Fabaceae 

Lupinus polyphyllus var. burkei 

Native 

- 

Fabaceae 

Lupinus polyphyllus var. humicola 

Native 

- 

Fabaceae 

Lupinus polyphyllus var. pmnophilus 

Native 

- 


B-34 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Fabaceae 

Lupinus pusillus 

Native 

- 

Fabaceae 

Lupinus sericeus 

Native 

- 

Juncaceae 

Luzula arcuata 

Native 

8 

Juncaceae 

Luzula divaricata 

Native 

- 

Juncaceae 

Luzula hitchcockii 

Native 

- 

Juncaceae 

Luzula multiflora 

Native 

4 

Juncaceae 

Luzula parviflora 

Native 

7 

Juncaceae 

Luzula piperi 

Native 

8 

Juncaceae 

Luzula spicata 

Native 

4 

Solanaceae 

Lycium barbamm 

Exotic 

1 

Lycopodiaceae 

Lycopodium alpinum 

Diphasiastrum alpinum^ 

Native 

9 

Lycopodiaceae 

Lycopodium armotinum 

Native 

6 

Lycopodiaceae 

Lycopodium clavatum 

Native 

10 

Lycopodiaceae 

Lycopodium complanatum 

Diphasiastrum complanatum^ 

Native 

7 

Lycopodiaceae 

Lycopodium dendroideum 

Native 

5 

Lycopodiaceae 

Lycopodium inundatum 

Lycopodiella inundata^ 

Native 

10 

Lycopodiaceae 

Lycopodium lagopus 

Native 

- 

Lycopodiaceae 

Lycopodium sitchense 

Native 

- 

Lamiaceae 

Lycopus americanus 

Native 

8 

Lamiaceae 

Lycopus asper 

Native 

6 

Lamiaceae 

Lycopus uniflorus 

Native 

9 

Asteraceae 

Lygodesmia juncea 

Native 

- 

Araceae 

Lysichiton americanus 

Native 

8 

Myrsinaceae 

Lysimachia ciliata 

Native 

7 

Myrsinaceae 

Lysimachia thyrsiflora 

Native 

8 

Lythraceae 

Lythrum alatum 

Unknown/ 
Undetermined 

NA 

Lythraceae 

Lythrum salicaria 

Exotic 

0 

Asteraceae 

Machaeranthera canescens 

Native 

3 

Asteraceae 

Machaeranthera tanacetifolia 

Native 

- 

Asteraceae 

Madia exigua 

Native 

- 

Asteraceae 

Madia glomerata 

Native 

2 

Asteraceae 

Madia gracilis 

Unknown / 
Undetennined 

- 

Asteraceae 

Madia minima 

Native 

- 

Liliaceae 

Maiauthemum cauadeuse 

Native 

insuff. info. 

Liliaceae 

Maianthemum trifolium 

Unknown / 
Undetermined 

- 

Asteraceae 

Malacothrix torreyi 

Native 

- 

Brassicaceae 

Malcolmia africana 

Exotic 

0 

Rosaceae 

Mains sylvestris 

Exotic 

1 

Malvaceae 

Malva moschata 

Exotic 

1 

Malvaceae 

Malva neglecta 

Exotic 

1 

Malvaceae 

Malva parviflora 

Exotic 

1 

Lamiaceae 

Marrubium vulgare 

Exotic 

0 

Marsileaceae 

Marsilea oligospora 

Unknown/ 
Undetermined 

insuff. info. 

Marsileaceae 

Marsilea vestita 

Native 

4 

Asteraceae 

Matricaria discoidea 

Exotic 

0 

Fabaceae 

Medicago falcata 

Exotic 

1 


B-35 





















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Fabaceae 

Medicago lupulina 

Exotic 

0 

Fabaceae 

Medicago polymorpha 

Exotic 

1 

Fabaceae 

Medicago sativa 

Exotic 

0 

Orobanchaceae 

Melampyrum lineare 

Native 

6 

Poaceae 

Melica hulhosa 

Native 

5 

Poaceae 

Melica smithii 

Native 

- 

Poaceae 

Melica spectabilis 

Native 

7 

Poaceae 

Melica subulata 

Native 

- 

Fabaceae 

Melilotus albus 

Exotic 

0 

Fabaceae 

Melilotus officinalis 

Exotic 

0 

Lamiaceae 

Mentha arvensis 

Native 

3 

Lamiaceae 

Mentha spicata 

Exotic 

1 

Loasaceae 

Mentzelia albicaulis 

Native 

- 

Loasaceae 

Mentzelia decapetala 

Native 

- 

Loasaceae 

Mentzelia dispersa 

Native 

- 

Loasaceae 

Mentzelia laevicaulis 

Native 

- 

Loasaceae 

Mentzelia nuda 

Native 

- 

Loasaceae 

Mentzelia pumila 

Native 

- 

Menyanthaceae 

Menyanthes trifoliata 

Native 

9 

Ericaceae 

Menziesia ferruginea 

Native 

4 

Boraginaceae 

Mertensia alpina 

Native 

- 

Boraginaceae 

Mertensia bella 

Native 

6 

Boraginaceae 

Mertensia ciliata 

Native 

6 

Boraginaceae 

Mertensia lanceolata 

Native 

- 

Boraginaceae 

Mertensia longiflora 

Native 

- 

Boraginaceae 

Mertensia oblongifolia 

Native 

- 

Boraginaceae 

Mertensia paniculata 

Native 

7 

Saxifragaceae 

Micranthes apetala 

Native 

- 

Saxifragaceae 

Micranthes ferruginea 

Native 

8 

Saxifragaceae 

Micranthes idahoensis 

Native 

7 

Saxifragaceae 

Micranthes integrifolia 

Native 

insuff. infer. 

Saxifragaceae 

Micranthes lyallii 

Native 

7 

Saxifragaceae 

Micranthes nidifica 

Native 

4 

Saxifragaceae 

Micranthes nivalis 

Native 

- 

Saxifragaceae 

Micranthes occidentalis 

Native 

6 

Saxifragaceae 

Micranthes odontoloma 

Native 

7 

Saxifragaceae 

Micranthes oregana 

Native 

6 

Saxifragaceae 

Micranthes rhomboidea 

Native 

7 

Saxifragaceae 

Micranthes subapetala 

Native 

- 

Saxifragaceae 

Micranthes tempestiva 

Native 

- 

Asteraceae 

Micro serfs nutans 

Native 

- 

Polemoniaceae 

Microsteris gracilis 

Native 

3 

Phrymaceae 

Mimulus ampliatus 

Native 

7 

Phrymaceae 

Mimulus brevifloms 

Native 

3 

Phrymaceae 

Mimnlns hreweri 

Native 

7 

Phrymaceae 

Mimulus clivicola 

Native 

- 

Phrymaceae 

Mimulus fioribundus 

Native 

3 

Phrymaceae 

Mimnlns glahratns 

Native 

insuff. info. 

Phrymaceae 

Mimulus guttatus 

Native 

5 

Phrymaceae 

Mimulus hymenophyllus 

Native 

- 

Phrymaceae 

Mimulus lewisii 

Native 

7 

Phrymaceae 

Mimulus moschatus 

Native 

3 

Phrymaceae 

Mimulus nanus 

Native 

6 


B-36 




























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Phrymaceae 

Mimulus primuloides 

Native 

10 

Phrymaceae 

Mimnlns ringens 

Native 

insuff. info. 

Phrymaceae 

Mimulus suksdorfii 

Native 

4 

Phrymaceae 

Mimulus tilingii 

Native 

7 

Caryophyllaceae 

Minuartia austromontana 

Native 

- 

Caryophyllaceae 

Minuartia nuttallii 

Native 

- 

Caryophyllaceae 

Minuartia obtusiloba 

Native 

- 

Caryophyllaceae 

Minuartia mbella 

Native 

5 

Nyctaginaceae 

Mirabilis albida 

Unknown / 
Undetennined 

- 

Nyctaginaceae 

Mirabilis linearis 

Native 

- 

Nyctaginaceae 

Mirabilis nyctaginea 

Native 

2 

Saxifragaceae 

Mitella breweri 

Native 

7 

Saxifragaceae 

Mitella caulescens 

Native 

5 

Saxifragaceae 

Mitella nuda 

Native 

8 

Saxifragaceae 

Mitella pentandra 

Native 

7 

Saxifragaceae 

Mitella stauropetala 

Native 

6 

Saxifragaceae 

Mitella trifida 

Native 

5 

Caryophyllaceae 

Moehringia lateriflora 

Native 

5 

Caryophyllaceae 

Moehringia macrophylla 

Native 

5 

Molluginaceae 

Mollugo verticillata 

Exotic 

1 

Lamiaceae 

Monarda fistulosa 

Native 

4 

Ericaceae 

Moneses uniflora 

Native 

8 

Amaranthaceae 

Monolepis nuttalliana 

Native 

1 

Ericaceae 

Monotropa hypopithys 

Native 

- 

Ericaceae 

Monotropa uniflora 

Native 

7 

Portulacaceae 

Montia chamissoi 

Native 

4 

Portulacaceae 

Montia dichotoma 

Native 

2 

Portulacaceae 

Montia linearis 

Native 

4 

Portulacaceae 

Montia parvifolia 

Native 

2 

Poaceae 

Muhlenbergia andina 

Native 

7 

Poaceae 

Muhlenbergia asperifolia 

Native 

7 

Poaceae 

Muhlenbergia cuspidata 

Native 

- 

Poaceae 

Muhlenbergia filiformis 

Native 

4 

Poaceae 

Muhlenbergia glomerata 

Native 

8 

Poaceae 

Muhlenbergia mexicana 

Native 

NA 

Poaceae 

Muhlenbergia minutissima 

Native 

2 

Poaceae 

Muhlenbergia montana 


absent 

Poaceae 

Muhlenbergia racemosa 

Native 

3 

Poaceae 

Muhlenbergia richardsonis 

Native 

4 

Poaceae 

Munroa squarrosa 

Native 

- 

Apiaceae 

Musineon divaricatum 

Native 

- 

Apiaceae 

Musineon vaginatum 

Native 

- 

Asteraceae 

Mycelis muralis 

Exotic 

1 

Boraginaceae 

Myosotis arvensis 

Exotic 

0 

Boraginaceae 

Myosotis asiatica 

Native 

7 

Boraginaceae 

Myosotis discolor^ 


absent 

Boraginaceae 

Myosotis laxa 

Native 

4 

Boraginaceae 

Myosotis scorpioides 

Exotic 

0 

Boraginaceae 

Myosotis stricta 

Exotic 

0 

Boraginaceae 

Myosotis verna 

Unknown/ 
Undetermined 

insuff. infor. 

Caryophyllaceae 

Myoston aquaticum^ 


absent 


B-37 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Ranunculaceae 

Myosurus apetalus 

Native 

4 

Ranunculaceae 

Myosurus apetalus var. borealis 

Native 

- 

Ranunculaceae 

Myosurus apetalus var. montanus 

Native 

- 

Ranunculaceae 

Myosurus minimus 

Native 

4 

Haloragaceae 

Myriophyllum quitense 

Native 

4 

Haloragaceae 

Myriophyllum sibiricum 

Native 

3 

Haloragaceae 

Myriophyllum spicatum 

Exotic 

0 

Haloragaceae 

Myriophyllum verticillatum 

Unknown / 
Undetermined 

4 

Najadaceae 

Najas flexilis 

Native 

7 

Najadaceae 

Najas guadalupensis 

Native 

7 

Hydrophyllaceae 

Nama densum 

Native 

- 

Polemoniaceae 

Navarretia divaricata 

Unknown / 
Undetermined 

- 

Polemoniaceae 

Navarretia intertexta 

Native 

6 

Polemoniaceae 

Navarretia intertexta ssp. propinqua 

Native 

- 

Polemoniaceae 

Navarretia leucocephala 

Unknown/ 
Undetermined 

NA 

Polemoniaceae 

Navarretia saximontana 

Native 

4 

Hydrophyllaceae 

Nemophila breviflora 

Native 

- 

Lamiaceae 

Nepeta cataria 

Exotic 

0 

Solanaceae 

Nicotiana attenuata 

Native 

3 

Brassicaceae 

Noccaea fendleri 

Native 

- 

Brassicaceae 

Noccaea parviflora 

Native 

- 

Asteraceae 

Nothocalais cuspidata 

Native 

- 

Asteraceae 

Nothocalais nigrescens 

Native 

- 

Asteraceae 

Nothocalais troximoides 

Native 

- 

Nymphaeaceae 

Nuphar polysepala 

Native 

5 

Nymphaeaceae 

Nuphar variegata 

Native 

5 

Plantaginaceae 

Nuttallanthus texanus 

Native 

- 

Nymphaeaceae 

Nymphaea leibergii 

Native 

9 

Nymphaeaceae 

Nymphaea odorata 

Exotic 

0 

Nymphaeaceae 

Nymphaea tetragona 


absent 

Onagraceae 

Oenothera albicaulis 

Native 

- 

Onagraceae 

Oenothera caespitosa 

Native 

- 

Onagraceae 

Oenothera elata 

Native 

3 

Onagraceae 

Oenothera flava 

Native 

2 

Onagraceae 

Oenothera nuttallii 

Native 

- 

Onagraceae 

Oenothera pallida ssp. pallida 

Native 

- 

Onagraceae 

Oenothera perennis 

Unknown/ 
Undetermined 

insnff. info. 

Onagraceae 

Oenothera villosa 

Native 

1 

Fabaceae 

Onobrychis viciifolia 

Exotic 

1 

Asteraceae 

Onopordum acanthium 

Exotic 

0 

Boraginaceae 

Onosmodium molle 

Native 

- 

Ophioglossaceae 

Ophioglossum pusillum 

Native 

4 

Araliaceae 

Oplopanax horridus 

Native 

7 

Cactaceae 

Opuntia fragilis 

Native 

- 

Cactaceae 

Opuntia polyacantha 

Native 

- 

Asteraceae 

Oreostemma alpigenum 

Native 

4 

Lamiaceae 

Origanum vulgare 

Exotic 

1 

Orobanchaceae 

Orobanche corymbosa 

Native 

- 

Orobanchaceae 

Orobanche fasciculata 

Native 

- 


B-38 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Orobanchaceae 

Orobanche ludoviciana 

Native 

- 

Orobanchaceae 

Orobanche uniflora 

Native 

4 

Apiaceae 

Orogenia fusiformis^ 


absent 

Apiaceae 

Orogenia linearifolia 

Native 

- 

Ericaceae 

Orthilia secunda 

Native 

- 

Orobanchaceae 

Orthocarpus luteus 

Native 

4 

Orobanchaceae 

Orthocarpus tenuifolius 

Native 

- 

Orobanchaceae 

Orthocarpus tolmiei 

Native 

- 

Poaceae 

Oryzopsis asperifolia 

Native 

- 

Poaceae 

Oryzopsis contracta 

Native 

- 

Poaceae 

Oryzopsis exigua 

Native 

- 

Poaceae 

Oryzopsis hymenoides 

Native 

- 

Poaceae 

Oryzopsis micrantha 

Native 

- 

Apiaceae 

Osmorhiza berteroi 
syn. Osmorhiza chilensis 

Native 

4 

Apiaceae 

Osmorhiza depauperata 

Native 

- 

Apiaceae 

Osmorhiza longistylis 

Native 

6 

Apiaceae 

Osmorhiza occidentalis 

Native 

6 

Apiaceae 

Osmorhiza purpurea 

Native 

6 

Oxalidaceae 

Oxalis comiculata 

Exotie 

1 

Oxalidaceae 

Oxalis dillenii 

Likely Native 

2 

Oxalidaceae 

Oxalis stricta 

Native 

insuff. info. 

Polygonaceae 

Oxyria digyna 

Native 

5 

Fabaceae 

Oxytropis besseyi 

Native 

- 

Fabaceae 

Oxytropis besseyi var. argophylla 

Native 

- 

Fabaceae 

Oxytropis besseyi var. besseyi 

Native 

- 

Fabaceae 

Oxytropis besseyi var. fallax 

Native 

- 

Fabaceae 

Oxytropis besseyi var. ventosa 

Unknown / 
Undetermined 

- 

Fabaceae 

Oxytropis borealis 

Native 

- 

Fabaceae 

Oxytropis campestris 

Native 

- 

Fabaceae 

Oxytropis campestris var. Columbiana 

Native 

- 

Fabaceae 

Oxytropis campestris var. eusiekii 

Native 

- 

Fabaceae 

Oxytropis campestris var. gracilis 

Native 

- 

Fabaceae 

Oxytropis deflexa 

Native 

4 

Fabaceae 

Oxytropis deflexa var. foliolosa 

Native 

- 

Fabaceae 

Oxytropis deflexa var. serieea 

Native 

- 

Fabaceae 

Oxytropis lagopus 

Native 

- 

Fabaceae 

Oxytropis lagopus var. atropurpurea 

Native 

- 

Fabaceae 

Oxytropis lagopus var. coiijugans 

Native 

- 

Fabaceae 

Oxytropis lagopus var. lagopus 

Native 

- 

Fabaceae 

Oxytropis lambertii 

Native 

4 

Fabaceae 

Oxytropis parry! 

Native 

10 

Fabaceae 

Oxytropis podocarpa 

Native 

- 

Fabaceae 

Oxytropis riparia 

Exotie 

0 

Fabaceae 

Oxytropis serieea 

Native 

- 

Fabaceae 

Oxytropis serieea var. serieea 

Native 

- 

Fabaceae 

Oxytropis serieea var. speciosa 

Native 

- 

Fabaceae 

Oxytropis splendens 

Native 

3 

Paeoniaceae 

Paeonia brownii 

Unknown / 
Undetennined 

- 

Poaeeae 

Panieum eapillare 

Native 

1 

Poaceae 

Panicum miliaceum 

Exotic 

0 


B-39 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Poaceae 

Panicum virgatum 

Native 

4 

Papaveraceae 

Papaver argemone 

Exotic 

1 

Papaveraceae 

Papaver pygmaeum 

Native 

- 

Papaveraceae 

Papaver radicatum ssp. kluanensis 

Native 

- 

Papaveraceae 

Papaver rhoeas 

Exotic 

1 

Papaveraceae 

Papaver somniferum 

Exotic 

1 

Urticaceae 

Parietaria pensylvanica 

Native 

3 

Saxifragaceae 

Pamassia fimbriata 

Native 

7 

Saxifragaceae 

Pamassia kotzebuei 

Native 

9 

Saxifragaceae 

Pamassia palustris 

Native 

4 

Saxifragaceae 

Pamassia palustris var. montanensis 

Native 

- 

Saxifragaceae 

Pamassia palustris var. parviflora 

Native 

9 

Caryophyllaceae 

Paronychia sessiliflora 

Native 

- 

Vitaceae 

Parthenocissus quinquefolia 

Exotic 

1 

Vitaceae 

Parthenocissus vitacea 

Native 

4 

Apiaceae 

Pastinaca sativa 

Exotic 

0 

Celastraceae 

Paxistima myrsinites 

Native 

- 

Orobanchaceae 

Pedicularis bracteosa 

Native 

- 

Orobanchaceae 

Pedicularis bracteosa var. bracteosa 

Native 

- 

Orobanchaceae 

Pedicularis bracteosa var. canbyi 

Native 

- 

Orobanchaceae 

Pedicularis bracteosa var. paysoniana 

Native 

- 

Orobanchaceae 

Pedicularis contorta 

Native 

4 

Orobanchaceae 

Pedicularis contorta var. contorta 

Native 

- 

Orobanchaceae 

Pedicularis contorta var. ctenophora 

Native 

- 

Orobanchaceae 

Pedicularis contorta var. mbicunda 

Native 

- 

Orobanchaceae 

Pedicularis crenulata 

Native 

6 

Orobanchaceae 

Pedicularis cystopteridifolia 

Native 

- 

Orobanchaceae 

Pedicularis groenlandica 

Native 

7 

Orobanchaceae 

Pedicularis oederi 

Native 

- 

Orobanchaceae 

Pedicularis parryi 

Native 

5 

Orobanchaceae 

Pedicularis pulchella 

Native 

- 

Orobanchaceae 

Pedicularis racemosa 

Native 

- 

Cactaceae 

Pediocactus simpsonii 

Native 

- 

Fabaceae 

Pediomelum argophyllum 

Native 

- 

Fabaceae 

Pediomelum cuspidatum 

Unknown / 
Undetermined 

- 

Fabaceae 

Pediomelum esculentum 

Native 

- 

Fabaceae 

Pediomelum hypogaeum 

Native 

- 

Pteridaceae 

Pellaea breweri 

Native 

- 

Pteridaceae 

Pellaea glabella 

Native 

- 

Plantaginaceae 

Penstemon albertinus 

Native 

- 

Plantaginaceae 

Penstemon albidus 

Native 

- 

Plantaginaceae 

Penstemon angustifolius 

Native 

- 

Plantaginaceae 

Penstemon arenicola 

Unknown / 
Undetermined 

- 

Plantaginaceae 

Penstemon aridus 

Native 

- 

Plantaginaceae 

Penstemon attenuatus 

Native 

5 

Plantaginaceae 

Penstemon attenuatus var. attenuatus 

Native 

- 

Plantaginaceae 

Penstemon attenuatus var. pseudoprocems 

Native 

- 

Plantaginaceae 

Penstemon caryi 

Native 

- 

Plantaginaceae 

Penstemon confertus 

Native 

- 

Plantaginaceae 

Penstemon cyaneus 

Native 

- 

Plantaginaceae 

Penstemon deustus 

Native 

- 


B-40 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Plantaginaceae 

Penstemon diphyllus 

Native 

- 

Plantaginaceae 

Penstemon elliptieus 

Native 

- 

Plantaginaceae 

Penstemon eriantherus 

Native 

- 

Plantaginaceae 

Penstemon eriantherus var. clebumei 

Unknown / 
Undetermined 

- 

Plantaginaceae 

Penstemon flavescens 

Native 

- 

Plantaginaceae 

Penstemon fruticosus 

Native 

- 

Plantaginaceae 

Penstemon glaber 

Native 

- 

Plantaginaceae 

Penstemon globosus 

Native 

- 

Plantaginaceae 

Penstemon gracilis 

Native 

4 

Plantaginaceae 

Penstemon grandifloms 

Native 

- 

Plantaginaceae 

Penstemon humilis 

Native 

- 

Plantaginaceae 

Penstemon laricifolius 

Native 

- 

Plantaginaceae 

Penstemon lemhiensis 

Native 

- 

Plantaginaceae 

Penstemon lyallii 

Native 

4 

Plantaginaceae 

Penstemon montanus 

Native 

- 

Plantaginaceae 

Penstemon nitidus 

Native 

- 

Plantaginaceae 

Penstemon nitidus var. nitidus 

Native 

- 

Plantaginaceae 

Penstemon nitidus var. polyphyllus 

Native 

- 

Plantaginaceae 

Penstemon payettensis 

Native 

- 

Plantaginaceae 

Penstemon procerus 

Native 

5 

Plantaginaceae 

Penstemon radieosus 

Native 

- 

Plantaginaceae 

Penstemon rydbergii 

Native 

5 

Plantaginaceae 

Penstemon whippleanus 

Native 

- 

Plantaginaceae 

Penstemon wilcoxii 

Native 

- 

Apiaceae 

Perideridia gairdneri 

Native 

4 

Asteraceae 

Petasites frigidus 

Native 

8 

Asteraceae 

Petasites frigidus var. frigidus 

Native 

9 

Asteraceae 

Petasites frigidus var. sagittatus 

Native 

8 

Rosaceae 

Petrophytum caespitosum 

Native 

- 

Hydrophyllaceae 

Phacelia bakeri 

Unknown / 
Undetenuined 

- 

Hydrophyllaceae 

Phaeelia franklinii 

Native 

- 

Hydrophyllaceae 

Phacelia glandulosa 

Native 

- 

Hydrophyllaeeae 

Phaeelia hastata 

Native 

- 

Hydrophyllaceae 

Phacelia heterophylla 

Native 

3 

Hydrophyllaeeae 

Phaeelia incana 

Native 

- 

Hydrophyllaceae 

Phacelia ivesiana 

Native 

- 

Hydrophyllaeeae 

Phaeelia linearis 

Native 

- 

Hydrophyllaceae 

Phacelia lyallii 

Native 

- 

Hydrophyllaeeae 

Phaeelia seopulina 

Native 

- 

Hydrophyllaceae 

Phacelia sericea 

Native 

- 

Hydrophyllaeeae 

Phaeelia thermalis 

Native 

- 

Poaceae 

Phalaris arundinacea 

Native/Exotic 

0 

Poaeeae 

Phalaris canariensis 

Exotie 

1 

Thelypteridaceae 

Phegopteris connectilis 

Native 

6 

Hydrangeaeeae 

Philadelphus lewisii 

Native 

- 

Poaeeae 

Phippsia algida 

Native 

10 

Poaeeae 

Phleum alpinum 

Native 

7 

Poaceae 

Phleum pratense 

Exotic 

0 

Polemoniaceae 

Phlox albomarginata 

Native 

- 

Polemoniaceae 

Phlox alyssifolia 

Native 

- 

Polemoniaceae 

Phlox andicola 

Native 

- 


B-41 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Polemoniaceae 

Phlox austromontana 

Native 

- 

Polemoniaceae 

Phlox caespitosa 

Native 

- 

Polemoniaceae 

Phlox diffusa 

Native 

- 

Polemoniaceae 

Phlox hoodii 

Native 

- 

Polemoniaceae 

Phlox kelseyi 

Native 

5 

Polemoniaceae 

Phlox kelseyi ssp. kelseyi 

Native 

- 

Polemoniaceae 

Phlox kelseyi var. missoulensis 

Native 

- 

Polemoniaceae 

Phlox longifolia 

Native 

- 

Polemoniaceae 

Phlox multiflora 

Native 

- 

Polemoniaceae 

Phlox muscoides 

Native 

- 

Polemoniaceae 

Phlox pulvinata 

Native 

- 

Polemoniaceae 

Phlox speciosa 

Native 

- 

Poaceae 

Phragmites australis 

Native 

4 

Ericaceae 

Phyllodoce empetriformis 

Native 

7 

Ericaceae 

Phyllodoce glanduliflora 

Native 

7 

Ericaceae 

Phyllodoce x intermedia 

Native 

- 

Solanaceae 

Physalis hederifolia 

Unknown / 
Undetermined 

- 

Solanaceae 

Physalis heterophylla 

Native 

- 

Solanaceae 

Physalis longifolia 

Native 

- 

Solanaceae 

Physalis pumila ssp. hispida 

Unknown / 
Undetermined 

- 

Brassicaceae 

Physaria acutifolia 

Native 

- 

Brassicaceae 

Physaria arenosa 

Native 

- 

Brassicaceae 

Physaria brassicoides 

Native 

- 

Brassicaceae 

Physaria carinata 

Native 

- 

Brassicaceae 

Physaria curvipes 

Native 

- 

Brassicaceae 

Physaria didymocarpa 

Native 

- 

Brassicaceae 

Physaria didymocarpa var. lanata 

Native 

- 

Brassicaceae 

Physaria douglasii 

Native 

- 

Brassicaceae 

Physaria eriocarpa 

Native 

- 

Brassicaceae 

Physaria geyeri 

Native 

- 

Brassicaceae 

Physaria humilis 

Native 

- 

Brassicaceae 

Physaria klausii 

Native 

- 

Brassicaceae 

Physaria lesicii 

Native 

- 

Brassicaceae 

Physaria ludoviciana 

Native 

- 

Brassicaceae 

Physaria pachyphylla 

Native 

- 

Brassicaceae 

Physaria pulchella 

Native 

- 

Brassicaceae 

Physaria pycnantha 

Native 

- 

Brassicaceae 

Physaria saximontana 

Native 

- 

Brassicaceae 

Physaria saximontana var. dentata 

Native 

- 

Brassicaceae 

Physaria spatulata 

Native 

- 

Rosaceae 

Physocarpus malvaceus 

Native 

- 

Rosaceae 

Physocarpus monogynus 

Native 

- 

Lamiaceae 

Physostegia parviflora 

Native 

7 

Pinaceae 

Picea engelmannii 

Native 

4 

Pinaceae 

Picea glauca 

Native 

insuff. info. 

Asteraceae 

Picradeniopsis oppositifolia 

Native 

- 

Apiaceae 

Pimpinella saxifraga 

Exotic 

1 

Lentibulariaceae 

Pinguicula macroceras 

Native 

9 

Pinaceae 

Pinus albicaulis 

Native 

- 

Pinaceae 

Pinus contorta 

Native 

3 

Pinaceae 

Pinus flexilis 

Native 

- 


B-42 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Pinaceae 

Pinus monticola 

Native 

6 

Pinaceae 

Pinus ponderosa 

Native 

4 

Orchidaceae 

Piperia elegans 

Native 

- 

Orchidaceae 

Piperia elongata 

Native 

- 

Orchidaceae 

Piperia unalascensis 

Native 

6 

Boraginaceae 

Plagiobothrys leptocladus 

Native 

6 

Boraginaceae 

Plagiobothrys scouleri 

Native 

2 

Boraginaceae 

Plagiobothrys stipitatus 

Unknown/ 
Undetermined 

insnff. info. 

Plantaginaceae 

Plantago australis^ 


absent 

Plantaginaceae 

Plantago canescens 

Native 

- 

Plantaginaceae 

Plantago elongata 

Native 

3 

Plantaginaceae 

Plantago eriopoda 

Native 

7 

Plantaginaceae 

Plantago hirtella 

Exotic 

1 

Plantaginaceae 

Plantago lanceolata 

Exotic 

1 

Plantaginaceae 

Plantago major 

Exotic 

1 

Plantaginaceae 

Plantago patagonica 

Native 

- 

Plantaginaceae 

Plantago tweedyi 

Native 

- 

Orchidaceae 

Platanthera aquilonis 

Native 

8 

Orchidaceae 

Platanthera dilatata 

Piperia dilatata^ 

Native 

5 

Orchidaceae 

Platanthera huronensis 

Native 

8 

Orchidaceae 

Platanthera obtusata 

Native 

10 

Orchidaceae 

Platanthera orbiculata 

Native 

9 

Orchidaceae 

Platanthera sparsiflora^ 


absent 

Orchidaceae 

Platanthera stricta 

Native 

7 

Asteraceae 

Platyschkuhria integrifolia 

Native 

- 

Valeri anaceae 

Plectritis macrocera 

Native 

- 

Asteraceae 

Pleiacanthus spinosus 

Native 

- 

Poaceae 

Poa abbreviata ssp. pattersonii 
syn. Poa abbreviata^ 

Native 

4 

Poaceae 

Poa alpina 

Native 

5 

Poaceae 

Poa annua 

Exotic 

1 

Poaceae 

Poa arctica 

Native 

4 

Poaceae 

Poa arida 

Native 

4 

Poaceae 

Poa amowiae 

Native 

- 

Poaceae 

Poa bulbosa 

Exotic 

0 

Poaceae 

Poa compressa 

Exotic 

0 

Poaceae 

Poa cusickii 

Native 

- 

Poaceae 

Poa fendleriana 

Native 

- 

Poaceae 

Poa glauca 

Native 

- 

Poaceae 

Poa interior 

Native 

3 

Poaceae 

Poa laxa ssp. banffiana 

Native 

- 

Poaceae 

Poa leptocoma 

Native 

8 

Poaceae 

Poa lettermanii 

Native 

- 

Poaceae 

Poa palustris 

Native/Exotic 

3 

Poaceae 

Poa pratensis 

Exotic 

0 

Poaceae 

Poa reflexa 

Native 

3 

Poaceae 

Poa secunda 

Native 

3 

Poaceae 

Poa stenantha 

Native 

4 

Poaceae 

Poa trivialis 

Exotic 

1 

Poaceae 

Poa wheeleri 

Native 

- 

Cleomaceae 

Polanisia dodecandra 

Native 

4 


B-43 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Polemoniaceae 

Polemoninm micranthnm 

Native 

3 

Polemoniaceae 

Polemonium occidentale 

Native 

6 

Polemoniaceae 

Polemoninm pulcherrimum 

Native 

- 

Polemoniaceae 

Polemonium viscosum 

Native 

- 

Polygalaceae 

Polygala alba 

Native 

- 

Polygalaceae 

Polygala verticillata 

Native 

4 

Polygonaceae 

Polygonum achoreum 

Native 

2 

Polygonaceae 

Polygonum amphibium 
syn. Persicaria amphibia^ 

Native 

6 

Polygonaceae 

Polygonum austiniae 

Native 

6 

Polygonaceae 

Polygonum aviculare 

Exotic 

0 

Polygonaceae 

Polygonum bistortoides 

Bistorta bistortoides^ 

Native 

6 

Polygonaceae 

Polygonum convolvulus 

Exotic 

0 

Polygonaceae 

Polygonum cuspidatum 

Exotic 

0 

Polygonaceae 

Polygonum douglasii 

Native 

3 

Polygonaceae 

Polygonum engelmannii 

Native 

4 

Polygonaceae 

Polygonum erectum 

Native 

2 

Polygonaceae 

Polygonum hydropiper 
syn. Persicaria hydropiper^ 

Exotic 

1 

Polygonaceae 

Polygonum lapathifolium 
syn. Persicaria lapathifolia^ 

Unknown / 
Undetermined 

2 

Polygonaceae 

Polygonum majus 

Native 

3 

Polygonaceae 

Polygonum minimum 

Native 

5 

Polygonaceae 

Polygonum pensylvanicum 
syn. Persicaria pensylvanica^ 

Unknown / 
Undetenuined 

- 

Polygonaceae 

Polygonum persicaria 

Exotic 

1 

Polygonaceae 

Polygonum phytolaccifolium 

Native 

3 

Polygonaceae 

Polygonum polygaloides 

Native 

4 

Polygonaceae 

Polygonum polygaloides ssp. confertiflorum 

Native 

- 

Polygonaceae 

Polygonum polygaloides ssp. kelloggii 

Native 

- 

Polygonaceae 

Polygonum punctatum 
syn. Persicaria punctata^ 

Native 

4 

Polygonaceae 

Polygonum ramosissimum 

Native 

3 

Polygonaceae 

Polygonum sachalinense 

Exotic 

- 

Polygonaceae 

Polygonum sawatchense 

Native 

insuff. info. 

Polygonaceae 

Polygonum spergulariiforme 

Native 

insuff. info. 

Polygonaceae 

Polygonum viviparum 

Bistorta vivipara^ 

Native 

7 

Polygonaceae 

Polygonum x bohemicum 

Exotic 

0 

Polypodiaceae 

Polypodium hesperium 

Native 

- 

Poaceae 

Polypogon monspeliensis 

Exotic 

1 

Dryopteridaceae 

Polystichum andersonii 

Native 

- 

Dryopteridaceae 

Polystichum kruckebergii 

Native 

- 

Dryopteridaceae 

Polystichum lonchitis 

Native 

- 

Dryopteridaceae 

Polystichum munitum 

Native 

9 

Dryopteridaceae 

Polystichum scopulinum 

Native 

- 

Salicaceae 

Populus alba 

Exotic 

1 

Salicaceae 

Populus angustifolia 

Native 

5 

Salicaceae 

Populus balsamifera 

Native 

5 

Salicaceae 

Populus deltoides 

Native 

4 

Salicaceae 

Populus tremuloides 

Native 

5 

Salicaceae 

Populus X acuminata 

Native 

5 


B-44 





















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Salicaceae 

Populus X brayshawii 

Native 

- 

Portulacaceae 

Portulaca oleracea 

Exotic 

1 

Potamogetonaceae 

Potamogeton alpinus 

Native 

7 

Potamogetonaceae 

Potamogeton amplifolius 

Native 

10 

Potamogetonaceae 

Potamogeton crispus 

Exotic 

0 

Potamogetonaceae 

Potamogeton diversifolius 

Native 

6 

Potamogetonaceae 

Potamogeton epihydrus 

Native 

7 

Potamogetonaceae 

Potamogeton fdiformis 

Native 

6 

Potamogetonaceae 

Potamogeton foliosus 

Native 

6 

Potamogetonaceae 

Potamogeton friesii 

Native 

7 

Potamogetonaceae 

Potamogeton gramineus 

Native 

6 

Potamogetonaceae 

Potamogeton illinoensis 

Native 

6 

Potamogetonaceae 

Potamogeton natans 

Native 

6 

Potamogetonaceae 

Potamogeton nodosus 

Native 

6 

Potamogetonaceae 

Potamogeton obtusifolius 

Native 

8 

Potamogetonaceae 

Potamogeton pectinatus 

Native 

5 

Potamogetonaceae 

Potamogeton praelongus 

Native 

6 

Potamogetonaceae 

Potamogeton pusillus 

Native 

7 

Potamogetonaceae 

Potamogeton richardsonii 

Native 

6 

Potamogetonaceae 

Potamogeton robbinsii 

Native 

7 

Potamogetonaceae 

Potamogeton strictifolius 

Native 

7 

Potamogetonaceae 

Potamogeton vaginatus 

Native 

7 

Potamogetonaceae 

Potamogeton zosteriformis 

Native 

9 

Rosaceae 

Potentilla argentea 

Exotic 

1 

Rosaceae 

Potentilla biennis 

Native 

4 

Rosaceae 

Potentilla bipinnatifida 

Native 

- 

Rosaceae 

Potentilla brevifolia 

Native 

- 

Rosaceae 

Potentilla concinna 

Native 

- 

Rosaceae 

Potentilla concinna var. concinna 

Native 

- 

Rosaceae 

Potentilla concinna var. divisa 

Native 

- 

Rosaceae 

Potentilla diversifolia 

Native 

6 

Rosaceae 

Potentilla diversifolia var. diversifolia 

Native 

- 

Rosaceae 

Potentilla diversifolia var. perdissecta 

Native 

- 

Rosaceae 

Potentilla drummondii 

Native 

insuff. info. 

Rosaceae 

Potentilla flabellifolia 

Native 

8 

Rosaceae 

Potentilla fruticosa 
syn. Dasiphora fruticosa^, 

Pentaphylloides floribunda 

Native 

3 

Rosaceae 

Potentilla gracilis 

Native 

4 

Rosaceae 

Potentilla gracilis var. brunnescens 

Native 

- 

Rosaceae 

Potentilla gracilis var. elmeri 

Native 

- 

Rosaceae 

Potentilla gracilis var. fastigiata 

Native 

- 

Rosaceae 

Potentilla gracilis var. flabelliformis 

Native 

- 

Rosaceae 

Potentilla gracilis var. pulcherrima 

Native 

- 

Rosaceae 

Potentilla hippiana 

Native 

- 

Rosaceae 

Potentilla hookeriana 

Native 

- 

Rosaceae 

Potentilla hyparctica 

Native 

- 

Rosaceae 

Potentilla macounii 

Native 

- 

Rosaceae 

Potentilla multisecta 

Native 

- 

Rosaceae 

Potentilla nivea 

Native 

- 

Rosaceae 

Potentilla nivea var. pentaphylla 

Native 

- 

Rosaceae 

Potentilla norvegica 

Unknown / 
Undetennined 

2 


B-45 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Rosaceae 

Potentilla ovina 

Native 

- 

Rosaceae 

Potentilla paradoxa 

Native 

5 

Rosaceae 

Potentilla pensylvanica 

Native 

4 

Rosaceae 

Potentilla plattensis 

Native 

6 

Rosaceae 

Potentilla recta 

Exotic 

0 

Rosaceae 

Potentilla rivalis 

Native 

4 

Rosaceae 

Potentilla rnbricanlis 

Native 

insuff. info. 

Rosaceae 

Potentilla uniflora 

Native 

- 

Asteraceae 

Prenanthes racemosa 

Unknown / 
Undetennined 

- 

Asteraceae 

Prenanthes sagittata 

Native 

- 

Primulaceae 

Primula alcalina 

Native 

6 

Primulaceae 

Primula incana 

Native 

5 

Primulaceae 

Primula parryi 

Native 

8 

Liliaceae 

Prosartes hookeri 

Native 

- 

Liliaceae 

Prosartes trachycarpa 

Native 

4 

Lamiaceae 

Prunella vulgaris 

Native/Exotic 

- 

Lamiaceae 

Prunella vulgaris ssp. lanceolata 

Native 

2 

Lamiaceae 

Prunella vulgaris ssp. vulgaris 

Exotic 

0 

Rosaceae 

Prunus americana 

Native 

4 

Rosaceae 

Prunus cerasus 

Exotic 

1 

Rosaceae 

Prunus emarginata 

Native 

5 

Rosaceae 

Prunus mahaleb 

Exotic 

1 

Rosaceae 

Prunus pensylvanica 

Native 

4 

Rosaceae 

Prunus pumila 

Native 

- 

Rosaceae 

Prunus virginiana 

Native 

3 

Pinaceae 

Pseudotsuga menziesii 

Native 

4 

Asteraceae 

Psilocarphus brevissimus 

Native 

8 

Asteraceae 

Psilocarphus elatior 

Native 

3 

Asteraceae 

Psilocarphus tenellus 

Native 

3 

Fabaceae 

Psoralidium lanceolatum 

Native 

- 

Fabaceae 

Psoralidium tenuiflorum 

Native 

- 

Dennstaedtiaceae 

Pteridium aquilinum 

Native 

3 

Ericaceae 

Pterospora andromedea 

Native 

- 

Poaceae 

Puccinellia distans 

Exotic 

1 

Poaceae 

Puccinellia lemmonii 

Native 

7 

Poaceae 

Puccinellia nuttalliana 

Native 

6 

Rosaceae 

Purshia tridentata 

Native 

- 

Ericaceae 

Pyrola asarifolia 

Native 

6 

Ericaceae 

Pyrola chlorantha 

Native 

8 

Ericaceae 

Pyrola elllptica 

Native 

5 

Ericaceae 

Pyrola minor 

Native 

7 

Ericaceae 

Pyrola picta 

Native 

- 

Asteraceae 

Pyrrocoma carthamoides 

Native 

- 

Asteraceae 

Pyrrocoma carthamoides var. carthamoides 

Native 

- 

Asteraceae 

Pyrrocoma carthamoides var. subsquarrosa 

Native 

- 

Asteraceae 

Pyrrocoma integrifolia 

Native 

4 

Asteraceae 

Pyrrocoma lanceolata 

Native 

4 

Asteraceae 

Pyrrocoma uniflora 

Native 

6 

Fagaceae 

Quercus macrocarpa 

Native 

6 

Ranunculaceae 

Ranunculus abortivus 

Native 

3 

Ranunculaceae 

Ranunculus acriformis 

Native 

6 

Ranunculaceae 

Ranunculus acris 

Exotic 

0 


B-46 



























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Ranunculaceae 

Ranunculus adoneus 

Unknown / 
Undetenuined 

- 

Ranunculaceae 

Ranunculus alismifolius 

Native 

7 

Ranunculaceae 

Ranunculus alismifolius var. alismellus 

Native 

- 

Ranunculaceae 

Ranunculus alismifolius var. alismifolius 

Native 

- 

Ranunculaceae 

Ranunculus alismifolius var. davisii 

Native 

- 

Ranunculaceae 

Ranunculus aquatilis 
syn. Ranunculus longirostris^ 
syn. Ranunculus trichophyllus^ 

Native 

4 

Ranunculaceae 

Ranunculus cardiophyllus 

Native 

9 

Ranunculaceae 

Ranunculus cymbalaria 

Native 

3 

Ranunculaceae 

Ranunculus eschscholtzii 

Native 

7 

Ranunculaceae 

Ranunculus eschscholtzii var. eschscholtzii 

Native 

- 

Ranunculaceae 

Ranunculus eschscholtzii var. eximius 

Native 

- 

Ranunculaceae 

Ranunculus eschscholtzii var. suksdorfii 

Native 

- 

Ranunculaceae 

Ranunculus flammula 

Native 

4 

Ranunculaceae 

Ranunculus glaberrimus 

Native 

4 

Ranunculaceae 

Ranunculus glaberrimus var. ellipticus 

Native 

- 

Ranunculaeeae 

Ranunculus glaberrimus var. glaberrimus 

Native 

- 

Ranunculaceae 

Ranunculus gmelinii 

Native 

4 

Ranuneulaceae 

Ranunculus gray! 

Native 

9 

Ranunculaceae 

Ranunculus hyperboreus 

Native 

9 

Ranunculaceae 

Ranunculus inamoenus 

Native 

6 

Ranuneulaceae 

Ranunculus jovis 

Native 

4 

Ranunculaceae 

Ranunculus macounii 

Native 

5 

Ranunculaceae 

Ranunculus orthorhynchus 

Native 

8 

Ranunculaceae 

Ranunculus pedatifidus 

Native 

9 

Ranunculaceae 

Ranunculus pensylvanicus 

Native 

4 

Ranunculaceae 

Ranunculus populago 

Native 

7 

Ranunculaceae 

Ranunculus pygmaeus 

Native 

9 

Ranunculaceae 

Ranunculus repens 

Exotic 

1 

Ranunculaeeae 

Ranunculus rhomboideus 

Unknown / 
Undetermined 

- 

Ranunculaceae 

Ranunculus sceleratus 

Native 

4 

Ranunculaceae 

Ranunculus sulphureus 

Native 

7 

Ranunculaceae 

Ranunculus testiculatus 

Exotic 

0 

Ranuneulaeeae 

Ranunculus uncinatus 

Native 

2 

Brassicaceae 

Raphanus raphanistrum 

Exotic 

1 

Brassieaceae 

Raphanus sativus 

Exotic 

1 

Asteraceae 

Ratibida columnifera 

Native 

- 

Resedaeeae 

Reseda lutea 

Exotie 

1 

Rhamnaceae 

Rhamnus alnifolia 

Native 

4 

Rhamnaeeae 

Rhamnus cathartiea 

Exotie 

0 

Orobanchaceae 

Rhinanthus minor 

Native 

3 

Erieaeeae 

Rhododendron albiflorum 

Native 

8 

Anacardiaceae 

Rhus glabra 

Native 

- 

Anacardiaceae 

Rhus trilobata 

Native 

- 

Grossulariaceae 

Ribes americanum 

Native 

6 

Grossulariaeeae 

Ribes aureum 

Native 

5 

Grossulariaceae 

Ribes cereum 

Native 

- 

Grossulariaceae 

Ribes birtellum 


absent 

Grossulariaceae 

Ribes hudsonianum 

Native 

7 

Grossulariaceae 

Ribes inerme 

Native 

5 


B-47 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Grossulariaceae 

Ribes lacustre 

Native 

6 

Grossulariaceae 

Ribes laxiflorum 

Native 

NA 

Grossulariaceae 

Ribes montigenum 

Native 

- 

Grossulariaceae 

Ribes oxyacanthoides 

Native 

6 

Grossulariaceae 

Ribes oxyacanthoides ssp. hendersonii 

Native 

7 

Grossulariaceae 

Ribes oxyacanthoides ssp. irriguum 

Native 

4 

Grossulariaceae 

Ribes oxyacanthoides ssp. setosum 

Native 

3 

Grossulariaceae 

Ribes rubrum 

Exotic 

1 

Grossulariaceae 

Ribes triste 

Native 

7 

Grossulariaceae 

Ribes viscosissimum 

Native 

4 

Fabaceae 

Robinia pseudoacacia 

Exotic 

1 

Flydrophyllaceae 

Romanzoffia sitchensis 

Native 

10 

Brassicaceae 

Rorippa alpina 

Native 

4 

Brassicaceae 

Rorippa austriaca 

Exotic 

1 

Brassicaceae 

Rorippa calycina 

Native 

insuff. info. 

Brassicaceae 

Rorippa curvipes 

Native 

4 

Brassicaceae 

Rorippa curvisiliqua 

Native 

4 

Brassicaceae 

Rorippa microphylla 

Exotic 

1 

Brassicaceae 

Rorippa nasturtium-aquaticum 

Exotic 

0 

Brassicaceae 

Rorippa palustris 

Native 

4 

Brassicaceae 

Rorippa palustris ssp. hispida 

Native 

- 

Brassicaceae 

Rorippa palustris ssp. occidentalis 

Native 

- 

Brassicaceae 

Rorippa palustris var. femaldiana 

Native 

- 

Brassicaceae 

Rorippa sinuata 

Native 

4 

Brassicaceae 

Rorippa sylvestris 

Exotic 

1 

Brassicaceae 

Rorippa tenerrima 

Native 

4 

Brassicaceae 

Rorippa truncata 

Native 

4 

Rosaceae 

Rosa acicularis 

Native 

4 

Rosaceae 

Rosa arkansana 

Native 

4 

Rosaceae 

Rosa blanda 

Unknown/ 
Undetermined 

NA 

Rosaceae 

Rosa gymnocarpa 

Native 

5 

Rosaceae 

Rosa nutkana 

Native 

5 

Rosaceae 

Rosa woodsii 

Native 

3 

Lythraceae 

Rotala ramosior 

Native 

3 

Rosaceae 

Rubus arcticus 

Native 

10 

Rosaceae 

Rubus discolor 

Exotic 

0 

Rosaceae 

Rubusidaeus 

Native 

4 

Rosaceae 

Rubus idaeus ssp. idaeus 

Native 

- 

Rosaceae 

Rubus idaeus ssp. strigosus 

Native 

- 

Rosaceae 

Rubus laciniatus 

Exotic 

1 

Rosaceae 

Rubus leucodermis 

Native 

5 

Rosaceae 

Rubus parviflorus 

Native 

3 

Rosaceae 

Rubus pedatus 

Native 

9 

Rosaceae 

Rubus pubescens 

Native 

7 

Rosaceae 

Rubus ursinus 

Native 

4 

Asteraceae 

Rudbeckia hirta 

Likely Exotic 

1 

Asteraceae 

Rudbeckia laciniata 

Native 

5 

Asteraceae 

Rudbeckia occidentalis 

Native 

7 

Polygonaceae 

Rumex acetosa 

Unknown / 
Undetermined 

9 

Polygonaceae 

Rumex acetosella 

Exotic 

1 

Polygonaceae 

Rumex britannica 


absent 


B-48 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Polygonaceae 

Rumex crispus 

Exotic 

1 

Polygonaceae 

Rumex fueginus 

Native 

6 

Polygonaceae 

Rumex hymenosepalus 

Native 

- 

Polygonaceae 

Rumex obtusifolius 

Exotic 

1 

Polygonaceae 

Rumex occidentalis 

Native 

4 

Polygonaceae 

Rumex patientia 

Exotic 

1 

Polygonaceae 

Rumex paucifolius 

Native 

4 

Polygonaceae 

Rumex salicifolius 

Native 

7 

Polygonaceae 

Rumex salicifolius var. montigenitus 

Native 

- 

Polygonaceae 

Rumex salicifolius var. triangulivalvis 

Native 

- 

Polygonaceae 

Rumex stenophyllus 

Exotic 

1 

Polygonaceae 

Rumex venosus 

Native 

3 

Rupp lac eae 

Ruppia maritima 

Native 

8 

Caryophyllaceae 

Sagina nivalis 

Native 

insnff. info. 

Caryophyllaceae 

Sagina procumbens 

Exotic 

1 

Caryophyllaceae 

Sagina saginoides 

Native 

3 

Alismataceae 

Sagittaria cuneata 

Native 

7 

Alismataceae 

Sagittaria latifolia 

Native 

7 

Amaranthaceae 

Salicornia rubra 

Native 

7 

Salicaceae 

Salix amygdaloides 

Native 

7 

Salicaceae 

Salix arctica 

Native 

7 

Salicaceae 

Salix barclayi 

Native 

8 

Salicaceae 

Salix barrattiana 

Native 

10 

Salicaceae 

Salix bebbiana 

Native 

4 

Salicaceae 

Salix boothii 

Native 

6 

Salicaceae 

Salix brachycarpa 

Native 

6 

Salicaceae 

Salix Candida 

Native 

9 

Salicaceae 

Salix cascadensis 

Native 

insnff. info. 

Salicaceae 

Salix commutata 

Native 

7 

Salicaceae 

Salix discolor 

Native 

4 

Salicaceae 

Salix drummondiana 

Native 

5 

Salicaceae 

Salix eastwoodiae 

Native 

7 

Salicaceae 

Salix eriocephala 

Native 

4 

Salicaceae 

Salix eriocephala var. famelica 

Native 

- 

Salicaceae 

Salix eriocephala var. mackenzieana 

Native 

7 

Salicaceae 

Salix eriocephala var. watsonii 

Native 

6 

Salicaceae 

Salix exigua 

Native 

4 

Salicaceae 

Salix exigua ssp. exigua 

Native 

- 

Salicaceae 

Salix exigua ssp. interior 

Native 

- 

Salicaceae 

Salix farriae 

Native 

7 

Salicaceae 

Salix fragilis 
syn. Salix alba^ 

Exotic 

0 

Salicaceae 

Salix geyeriana 

Native 

6 

Salicaceae 

Salix glauca 

Native 

7 

Salicaceae 

Salix lasiandra 

Native 

4 

Salicaceae 

Salix lasiandra var. caudata 

Native 

5 

Salicaceae 

Salix lasiandra var. lasiandra 

Native 

- 

Salicaceae 

Salix lemmonii 

Native 

6 

Salicaceae 

Salix melanopsis 

Native 

5 

Salicaceae 

Salix monochrome^ 


absent 

Salicaceae 

Salix monticola^ 


absent 

Salicaceae 

Salix myrtillifolia^ 


absent 

Salicaceae 

Salix pentandra 

Exotic 

0 


B-49 



























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Salicaceae 

Salix petiolaris 

Unknown / 
Undetenuined 

- 

Salicaceae 

Salix planifolia 

Native 

7 

Salicaceae 

Salix pseudomonticola 

Native 

7 

Salicaceae 

Salix reticulata 

Native 

5 

Salicaceae 

Salix rotundifolia 

Native 

8 

Salicaceae 

Salix scouleriana 

Native 

4 

Salicaceae 

Salix serissima 

Native 

9 

Salicaceae 

Salix sitchensis 

Native 

8 

Salicaceae 

Salix tweedyi 

Native 

7 

Salicaceae 

Salix vestita 

Native 

7 

Salicaceae 

Salix wolfii 

Native 

7 

Salicaceae 

Salix wolfii var. idahoensis 

Native 

- 

Salicaceae 

Salix wolfii var. wolfii 

Native 

- 

Amaranthaceae 

Salsola collina 

Exotic 

1 

Amaranthaceae 

Salsola tragus 

Exotic 

0 

Lamiaceae 

Salvia nemorosa 

Exotic 

1 

Lamiaceae 

Salvia reflexa 

Unknown / 
Undetermined 

- 

Lamiaceae 

Salvia sclarea 

Exotic 

1 

Lamiaceae 

Salvia x sylvestris 

Exotic 

1 

Caprifoliaceae 

Sambucus cerulea 

Native 

4 

Caprifoliaceae 

Sambucus racemosa 

Native 

4 

Brassicaceae 

Sandbergia perplexa 

Native 

- 

Rosaceae 

Sanguisorba annua 

Native 

- 

Rosaceae 

Sanguisorba minor 

Exotic 

1 

Apiaceae 

Sanicula graveolens 

Native 

- 

Apiaceae 

Sanicula marilandica 

Native 

5 

Caryophyllaceae 

Saponaria officinalis 

Exotic 

0 

Sarcobataceae 

Sarcobatus vermiculatus 

Native 

4 

Lamiaceae 

Satureja acinos 

Exotic 

1 

Lamiaceae 

Satureja douglasii 
syn. Clinopodium douglasii 

Native 

- 

Lamiaceae 

Satureja vulgaris 

Exotic 

1 

Asteraceae 

Saussurea americana 

Native 

6 

Asteraceae 

Saussurea densa 

Native 

- 

Asteraceae 

Saussurea weberi 

Native 

- 

Saxifragaceae 

Saxifraga adscendens 

Native 

6 

Saxifragaceae 

Saxifraga bronchialis 

Native 

- 

Saxifragaceae 

Saxifraga cemua 

Native 

8 

Saxifragaceae 

Saxifraga cespitosa 

Native 

6 

Saxifragaceae 

Saxifraga chrysantha 
syn. Saxifraga serpyllifolia 

Native 

9 

Saxifragaceae 

Saxifraga flagellaris 

Native 

- 

Saxifragaceae 

Saxifraga hirculus 

Native 

insuff. info. 

Saxifragaceae 

Saxifraga hyperborea 

Native 

- 

Saxifragaceae 

Saxifraga mertensiana 

Native 

7 

Saxifragaceae 

Saxifraga oppositifolia 

Native 

5 

Saxifragaceae 

Saxifraga rivularis 

Native 

8 

Saxifragaceae 

Saxifraga tolmiei 

Native 

7 

Poaceae 

Schedonnardus paniculatus 

Native 

- 

Poaceae 

Schedonorus arundinaceus 

Exotic 

0 

Poaceae 

Schedonorus pratensis 

Exotic 

0 


B-50 
























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Scheuchzeriaceae 

Scheuchzeria palustris 

Native 

10 

Poaceae 

Schizachne purpurascens 

Native 

- 

Poaceae 

Schizachyrium scoparium 

Native 

4 

Brassicaceae 

Schoenocrambe linifolia 

Native 

- 

Cyperaceae 

Schoenoplectus acutus 

Native 

5 

Cyperaceae 

Schoenoplectus americanus 

Native 

6 

Cyperaceae 

Schoenoplectus heterochaetus 

Native 

8 

Cyperaceae 

Schoenoplectus pungens 

Native 

6 

Cyperaceae 

Schoenoplectus subterminalis 

Native 

9 

Cyperaceae 

Schoenoplectus tabemaemontani 

Native 

6 

Cyperaceae 

Scirpus atrocinctus 

Native 

4 

Cyperaceae 

Scirpus atrovirens 

Native 

insuff. info. 

Cyperaceae 

Scirpus cyperinus 

Native 

1 

Cyperaceae 

Scirpus microcarpus 

Native 

5 

Cyperaceae 

Scirpus pallidus 

Native 

4 

Cyperaceae 

Scirpus pendulus 

Native 

insuff. info. 

Caryophyllaceae 

Scleranthus annuus 

Exotic 

1 

Poaceae 

Sclerochloa dura 

Exotic 

1 

Poaceae 

Scolochloa festucacea 

Native 

7 

Asteraceae 

Scorzonera laciniata 

Exotic 

0 

Scrophulariaceae 

Scrophularia lanceolata 

Native 

4 

Lamiaceae 

Scutellaria galericulata 

Native 

6 

Poaceae 

Secale cereale 

Exotic 

1 

Crassulaceae 

Sedum acre 

Exotic 

1 

Crassulaceae 

Sedum borschii 

Native 

- 

Crassulaceae 

Sedum debile 

Native 

- 

Crassulaceae 

Sedum integrifolium 

Native 

- 

Crassulaceae 

Sedum lanceolatum 

Native 

- 

Crassulaceae 

Sedum rhodanthum 

Native 

8 

Crassulaceae 

Sedum stenopetalum 

Native 

- 

Selaginellaceae 

Selaginella densa 

Native 

- 

Selaginellaceae 

Selaginella densa var. densa 

Native 

- 

Selaginellaceae 

Selaginella densa var. scopulorum 

Native 

- 

Selaginellaceae 

Selaginella densa var. standleyi 

Native 

- 

Selaginellaceae 

Selaginella selaginoides 

Native 

8 

Selaginellaceae 

Selaginella wallacei 

Native 

- 

Selaginellaceae 

Selaginella watsonii 

Native 

- 

Asteraceae 

Senecio amplectens 

Native 

8 

Asteraceae 

Senecio canus 

Native 

- 

Asteraceae 

Senecio congestus 

Unknown / 
Undetermined 

insuff. info. 

Asteraceae 

Senecio conterminous 

Native 

- 

Asteraceae 

Senecio crassulus 

Native 

7 

Asteraceae 

Senecio cymbalarioides 
syn. Packera subnuda^ 

Native 

7 

Asteraceae 

Senecio debilis 
syn. Packera debilis^ 

Native 

8 

Asteraceae 

Senecio dimorphophyllus 
syn. Packera dimorphophylla^ 

Native 

7 

Asteraceae 

Senecio dimorphophyllus var. 
dimorphophyllus 

Native 

- 

Asteraceae 

Senecio dimorphophyllus var. paysonii 

Native 

- 

Asteraceae 

Senecio elmeri 

Native 

- 


B-51 























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Asteraceae 

Senecio eremophilus 

Native 

4 

Asteraceae 

Senecio fremontii 

Native 

- 

Asteraceae 

Senecio fuscatus 

Native 

- 

Asteraceae 

Senecio hydrophiloides 

Native 

5 

Asteraceae 

Senecio hydrophilus 

Native 

5 

Asteraceae 

Senecio indecorus 
syn. Packera indecora^ 

Native 

6 

Asteraceae 

Senecio integerrimus 

Native 

7 

Asteraceae 

Senecio integerrimus var. exaltatus 

Native 

- 

Asteraceae 

Senecio integerrimus var. integerrimus 

Native 

- 

Asteraceae 

Senecio integerrimus var. ochroleucus 

Unknown / 
Undetermined 

- 

Asteraceae 

Senecio integerrimus var. scribneri 

Native 

- 

Asteraceae 

Senecio jacobaea 

Exotic 

0 

Asteraceae 

Senecio lugens 

Native 

5 

Asteraceae 

Senecio megacephalus 

Native 

- 

Asteraceae 

Senecio pauciflorus 
syn. Packera panciflora^ 

Native 

insnff. info. 

Asteraceae 

Senecio pauperculus 
syn. Packera paupercula^ 

Native 

5 

Asteraceae 

Senecio plattensis 
syn. Packera plattensis^ 

Native 

4 

Asteraceae 

Senecio pseudaureus 
syn. Packera pseudaurea^ 

Native 

7 

Asteraceae 

Senecio serra 

Native 

5 

Asteraceae 

Senecio sphaerocephalus 

Native 

6 

Asteraceae 

Senecio streptanthifolins 
syn. Packera streptanthifolia^ 

Native 

5 

Asteraceae 

Senecio triangularis 

Native 

5 

Asteraceae 

Senecio vulgaris 

Exotic 

0 

Asteraceae 

Senecio wemeriifolius 

Native 

- 

Poaceae 

Setaria italica 

Exotic 

1 

Poaceae 

Setaria pumila 

Exotic 

1 

Poaceae 

Setaria verticillata 

Exotic 

1 

Poaceae 

Setaria viridis 

Exotic 

1 

Elaeagnaceae 

Shepherdia argentea 

Native 

4 

Elaeagnaceae 

Shepherdia canadensis 

Native 

4 

Apiaceae 

Shoshonea pulvinata 

Native 

- 

Rosaceae 

Sibbaldia procnmbens 

Native 

4 

Malvaceae 

Sidalcea oregana 

Native 

3 

Caryophyllaceae 

Silene acanlis 

Native 

5 

Caryophyllaceae 

Silene antirrhina 

Native 

- 

Caryophyllaceae 

Silene conoidea 

Exotic 

1 

Caryophyllaceae 

Silene csereii 

Exotic 

1 

Caryophyllaceae 

Silene dichotoma 

Exotic 

1 

Caryophyllaceae 

Silene dioica 

Exotic 

1 

Caryophyllaceae 

Silene douglasii 

Native 

- 

Caryophyllaceae 

Silene drummondii 

Native 

- 

Caryophyllaceae 

Silene flos-cuculi 

Exotic 

1 

Caryophyllaceae 

Silene hitchguirei 

Native 

8 

Caryophyllaceae 

Silene latifolia 

Exotic 

0 

Caryophyllaceae 

Silene menziesii 

Native 

6 

Caryophyllaceae 

Silene noctiflora 

Exotic 

1 


B-52 





















































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Caryophyllaceae 

Silene oregana 

Native 

- 

Caryophyllaceae 

Silene parryi 

Native 

- 

Caryophyllaceae 

Silene repens 

Native 

- 

Caryophyllaceae 

Silene scouleri 

Native 

- 

Caryophyllaceae 

Silene spaldingii 

Native 

- 

Caryophyllaceae 

Silene uralensis 

Native 

6 

Caryophyllaceae 

Silene vulgaris 

Exotic 

1 

Brassicaceae 

Sinapis alba 

Exotic 

1 

Brassicaceae 

Sinapis arvensis 

Exotic 

1 

Brassicaceae 

Sisymbrium altissimum 

Exotic 

0 

Brassicaceae 

Sisymbrium loeselii 

Exotic 

0 

Brassicaceae 

Sisymbrium officinale 

Exotic 

0 

Iridaceae 

Sisyrinchium halophilum^ 


absent 

Iridaceae 

Sisyrinchium idahoense 

Native 

6 

Iridaceae 

Sisyrinchium montanum 

Native 

6 

Iridaceae 

Sisyrinchium septentrionale 

Native 

8 

Apiaceae 

Sium suave 

Native 

7 

Brassicaceae 

Smelowskia calycina 

Native 

- 

Liliaceae 

Smilacina racemosa 

Native 

4 

Liliaceae 

Smilacina stellata 

Native 

4 

Smilacaceae 

Smilax lasioneura 

Native 

8 

Solanaceae 

Solanum dulcamara 

Exotic 

0 

Solanaceae 

Solanum nigrum 
syn. Solanum ptychanthum^ 

Native 

3 

Solanaceae 

Solanum physalifolium 

Exotic 

1 

Solanaceae 

Solanum rostratum 

Unknown / 
Undetermined 

- 

Solanaceae 

Solanum triflorum 

Native 

- 

Asteraceae 

Solidago canadensis 

Native 

3 

Asteraceae 

Solidago canadensis var. gilvocanescens 

Native 

- 

Asteraceae 

Solidago canadensis var. salebrosa 

Native 

- 

Asteraceae 

Solidago gigantea 

Native 

6 

Asteraceae 

Solidago missouriensis 

Native 

- 

Asteraceae 

Solidago mollis 

Native 

- 

Asteraeeae 

Solidago multiradiata 

Native 

- 

Asteraceae 

Solidago nana 

Native 

- 

Asteraeeae 

Solidago nemoralis 

Native 

- 

Asteraceae 

Solidago ptarmicoides 

Native 

- 

Asteraceae 

Solidago rigida 

Native 

4 

Asteraceae 

Solidago simplex 

Native 

4 

Asteraceae 

Solidago velutina 

Native 

- 

Asteraceae 

Sonchus arvensis 

Exotic 

0 

Asteraceae 

Sonchus arvensis ssp. arvensis 

Exotic 

0 

Asteraceae 

Sonchus arvensis ssp. uliginosus 

Exotic 

0 

Asteraceae 

Sonchus asper 

Exotic 

0 

Asteraceae 

Sonchus oleraceus 

Exotic 

0 

Rosaceae 

Sorbus aucuparia 

Exotic 

1 

Rosaceae 

Sorbus scopulina 

Native 

4 

Rosaceae 

Sorbus sitchensis 

Native 

5 

Poaceae 

Sorghastrum nutans 

Native 

1 

Poaceae 

Sorghum halepense 

Exotic 

1 

Sparganiaceae 

Sparganium angustifolium 

Native 

7 

Sparganiaceae 

Sparganium eurycarpum 

Native 

7 


B-53 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Sparganiaceae 

Sparganium natans 

Native 

6 

Poaceae 

Spartina gracilis 

Native 

6 

Poaceae 

Spartina pectinata 

Native 

6 

Caryophyllaceae 

Spergula arvensis 

Exotie 

0 

Caryophyllaceae 

Spergularia media 

Exotie 

1 

Caryophyllaceae 

Spergularia rubra 

Exotie 

0 

Caryophyllaceae 

Spergularia salina 

Unknown / 
Undetenuined 

8 

Malvaceae 

Sphaeraleea eoccinea 

Native 

- 

Malvaceae 

Sphaeralcea munroana 

Native 

- 

Asteraceae 

Sphaeromeria argentea 

Native 

- 

Asteraceae 

Sphaeromeria capitata 

Native 

- 

Fabaceae 

Sphaerophysa salsula 

Exotie 

1 

Poaceae 

Sphenopholis intermedia 

Native 

- 

Poaceae 

Sphenopholis obtusata 

Native 

7 

Rosaceae 

Spiraea betulifolia 

Native 

4 

Rosaceae 

Spiraea douglasii 

Native 

5 

Rosaceae 

Spiraea splendens 

Native 

- 

Rosaceae 

Spiraea x pyramidata 

Native 

- 

Orchidaceae 

Spiranthes diluvialis 

Native 

6 

Orchidaceae 

Spiranthes romanzoffiana 

Native 

6 

Lemnaceae 

Spirodela polyrrhiza 

Native 

7 

Poaceae 

Sporobolus airoides 

Native 

4 

Poaceae 

Sporobolus eompositus 

Native 

- 

Poaceae 

Sporobolus cryptandrus 

Native 

4 

Poaceae 

Sporobolus beterolepis^ 


absent 

Poaceae 

Sporobolus neglectus 

Native 

4 

Poaceae 

Sporobolus vaginiflorus 

Unknown / 
Undetermined 

- 

Lamiaceae 

Stachys palustris 

Native 

6 

Brassicaceae 

Stanleya pinnata 

Native 

- 

Brassicaceae 

Stanleya pinnata var. integrifolia 

Native 

- 

Brassicaceae 

Stanleya pinnata var. pinnata 

Native 

- 

Brassicaceae 

Stanleya tomentosa 

Native 

- 

Brassieaceae 

Stanleya viridiflora 

Native 

- 

Caryophyllaceae 

Stellaria americana 

Native 

- 

Caryophyllaceae 

Stellaria borealis 

Native 

6 

Caryophyllaceae 

Stellaria calycantha 

Native 

6 

Caryophyllaceae 

Stellaria crassifolia 

Native 

5 

Caryophyllaeeae 

Stellaria erispa 

Native 

4 

Caryophyllaceae 

Stellaria graminea 

Exotie 

1 

Caryophyllaeeae 

Stellaria jamesiana 

Native 

- 

Caryophyllaeeae 

Stellaria longifolia 

Native 

6 

Caryophyllaceae 

Stellaria longipes 

Native 

7 

Caryophyllaceae 

Stellaria media 

Exotie 

0 

Caryophyllaeeae 

Stellaria nitens 

Native 

- 

Caryophyllaceae 

Stellaria obtusa 

Native 

3 

Caryophyllaceae 

Stellaria umbellata 

Native 

7 

Liliaeeae 

Stenanthium oeeidentale 

Native 

7 

Asteraceae 

Stenotus acaulis 

Native 

- 

Asteraceae 

Stenotus armerioides 

Native 

- 

Asteraeeae 

Stenotus lanuginosus 

Native 

- 

Asteraceae 

Stenotus multieaulis 

Native 

- 


B-54 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Asteraceae 

Stephanomeria runcinata 

Native 

- 

Asteraceae 

Stephanomeria tenuifolia 

Native 

- 

Poaceae 

Stipa comata 

Native 

- 

Poaceae 

Stipa curtiseta 

Native 

- 

Poaceae 

Stipa lemmonii 

Unknown / 
Undetenuined 

- 

Poaceae 

Stipa lettermanii 

Native 

- 

Poaceae 

Stipa nelsonii 

Native 

6 

Poaceae 

Stipa occidentalis 

Native 

- 

Poaceae 

Stipa pinetorum 

Native 

- 

Poaceae 

Stipa richardsonii 

Native 

- 

Poaceae 

Stipa spartea 

Native 

- 

Poaceae 

Stipa thurberiana 

Native 

- 

Poaceae 

Stipa viridula 

Native 

- 

Brassicaceae 

Streptanthella longirostris 

Native 

- 

Liliaceae 

Streptopus amplexifolius 

Native 

7 

Liliaceae 

Streptopus lanceolatus 

Native 

- 

Amaranthaceae 

Suaeda calceoliformis 

Native 

3 

Amaranthaceae 

Suaeda nigra 

Native 

6 

Amaranthaceae 

Suaeda occidentalis 

Native 

4 

Amaranthaceae 

Suckleya suckleyana 

Native 

3 

Saxifragaceae 

Suksdorfia ranunculifolia 

Native 

7 

Saxifragaceae 

Suksdorfia violacea 

Native 

8 

Saxifragaceae 

Sullivantia hapemanii 

Native 

10 

Gentianaceae 

Swertia perennis 

Native 

7 

Caprifoliaceae 

Symphoricarpos albus 

Native 

3 

Caprifoliaceae 

Symphoricarpos occidentalis 

Native 

4 

Caprifoliaceae 

Symphoricarpos oreophilus 

Native 

- 

Asteraceae 

Symphyotrichum ascendens 

Native 

2 

Asteraceae 

Symphyotrichum boreale 

Native 

7 

Asteraceae 

Symphyotrichum campestre 

Native 

- 

Asteraceae 

Symphyotrichum ciliatum 

Native 

6 

Asteraceae 

Symphyotrichum ciliolatum 

Native 

5 

Asteraceae 

Symphyotrichum cusickii 

Native 

- 

Asteraceae 

Symphyotrichum eatonii 

Native 

5 

Asteraceae 

Symphyotrichum ericoides 

Native 

6 

Asteraceae 

Symphyotrichum falcatum 

Native 

3 

Asteraceae 

Symphyotrichum foliaceum 

Native 

5 

Asteraceae 

Symphyotrichum foliaceum var. apricum 

Native 

- 

Asteraceae 

Symphyotrichum foliaceum var. foliaceum 

Native 

- 

Asteraceae 

Symphyotrichum foliaceum var. parryi 

Native 

- 

Asteraceae 

Symphyotrichum frondosum^ 

Unknown/ 
Undetermined 

NA 

Asteraceae 

Symphyotrichum hendersonii 

Native 

- 

Asteraceae 

Symphyotrichum laeve 

Native 

- 

Asteraceae 

Symphyotrichum lanceolatum 

Native 

4 

Asteraceae 

Symphyotrichum molle 

Native 

- 

Asteraceae 

Symphyotrichum oblongifolium 

Native 

- 

Asteraceae 

Symphyotrichum spathulatum 

Native 

5 

Asteraceae 

Symphyotrichum subspicatum 

Native 

6 

Boraginaceae 

Symphytum officinale 

Exotic 

0 

Plantaginaceae 

Synthyris canbyi 

Native 

- 

Plantaginaceae 

Synthyris missurica 

Native 

- 


B-55 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Plantaginaceae 

Synthyris pinnatifida 

Native 

- 

Tamaricaceae 

Tamarix ramosissima 

Exotic 

0 

Asteraceae 

Tanacetum balsamita 

Exotic 

1 

Asteraceae 

Tanacetum parthenium 

Exotic 

1 

Asteraceae 

Tanacetum vulgare 

Exotic 

0 

Asteraceae 

Taraxacum ceratophorum 

Native 

6 

Asteraceae 

Taraxacum erythrospermum 

Exotic 

0 

Asteraceae 

Taraxacum lyratum 

Native 

- 

Asteraceae 

Taraxacum officinale 

Exotic 

0 

Taxaceae 

Taxus brevifolia 

Native 

7 

Saxifragaceae 

Telesonix heucheriformis 

Native 

- 

Saxifragaceae 

Tellima grandiflora 

Native 

7 

Asteraceae 

Tetradymia canescens 

Native 

- 

Asteraceae 

Tetradymia spinosa 

Unknown / 
Undetermined 

- 

Lamiaceae 

Teucrium canadense 

Native 

6 

Ranunculaceae 

Thalictrum alpinum 

Native 

9 

Ranunculaceae 

Thalictrum dasycarpum 

Native 

5 

Ranunculaceae 

Tbalictrum fendleri 

Unknown/ 
Undetermined 

insuff. info. 

Ranunculaceae 

Thalictrum occidentale 

Native 

5 

Ranunculaceae 

Thalictrum sparsiflorum 

Native 

5 

Ranunculaceae 

Thalictrum venulosum 

Native 

4 

Asteraceae 

Thelesperma megapotamicum 

Unknown / 
Undetermined 

- 

Asteraceae 

Thelesperma subnudum 

Native 

- 

Brassicaceae 

Thelypodium integrifolium 

Native 

6 

Brassicaceae 

Thelypodium paniculatum 

Native 

- 

Brassicaceae 

Thelypodium sagittatum 

Native 

6 

Fabaceae 

Thermopsis montana 

Native 

6 

Fabaceae 

Thermopsis montana var. montana 

Native 

- 

Fabaceae 

Thermopsis montana var. ovata 

Native 

- 

Fabaceae 

Thermopsis rhombifolia 

Native 

4 

Santalaceae 

Thesium arvense 

Exotic 

1 

Brassicaceae 

Thlaspi arvense 

Exotic 

0 

Cupressaceae 

Thuja plicata 

Native 

7 

Lamiaceae 

Thymus praecox 

Exotic 

1 

Saxifragaceae 

Tiarella trifoliata 

Native 

5 

Crassulaceae 

Tillaea aquatica 

Native 

6 

Liliaceae 

Tofieldia pusilla 

Native 

9 

Asteraceae 

Tonestus aberrans 

Native 

- 

Asteraceae 

Tonestus lyallii 

Native 

- 

Asteraceae 

Tonestus pygmaeus 

Native 

- 

Poaceae 

Torreyochloa pallida 

Native 

7 

Asteraceae 

Townsendia condensata 

Native 

- 

Asteraceae 

Townsendia exscapa 

Native 

- 

Asteraceae 

Townsendia florifer 

Native 

- 

Asteraceae 

Townsendia hookeri 

Native 

- 

Asteraceae 

Townsendia incana 

Native 

- 

Asteraceae 

Townsendia leptotes 

Native 

- 

Asteraceae 

Townsendia montana 

Native 

- 

Asteraceae 

Townsendia parryi 

Native 

- 

Asteraceae 

Townsendia spathulata 

Native 

- 


B-56 

























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Anacardiaceae 

Toxicodendron rydbergii 

Native 

4 

Commelinaceae 

Tradescantia bracteata 

Unknown/ 
Undetermined 

NA 

Commelinaceae 

Tradescantia occidentalis 

Native 

4 

Asteraceae 

Tragopogon dubius 

Exotic 

0 

Asteraceae 

Tragopogon porrifolius 

Exotic 

1 

Asteraceae 

Tragopogon pratensis 

Exotic 

1 

Brassicaceae 

Transberingia bursifolia ssp. virgata 

Native 

- 

Ranunculaceae 

Trautvetteria caroliniensis 

Native 

8 

Liliaceae 

Triantha occidentalis 

Native 

7 

Zygophyllaceae 

Tribulus terrestris 

Exotic 

0 

Cyperaceae 

Trichophorum alpinum 

Native 

9 

Cyperaceae 

Trichophorum cespitosum 

Native 

8 

Cyperaceae 

Trichophorum pumilum 

Native 

10 

Fabaceae 

Trifolium arvense 

Exotic 

1 

Fabaceae 

Trifolium aureum 

Exotic 

0 

Fabaceae 

Trifolium beckwithii 

Native 

4 

Fabaceae 

Trifolium campestre 

Exotic 

1 

Fabaceae 

Trifolium cyathiferum 

Native 

3 

Fabaceae 

Trifolium dasyphyllum 

Native 

4 

Fabaceae 

Trifolium doulgasiP 


absent 

Fabaceae 

Trifolium dubium 

Exotic 

1 

Fabaceae 

Trifolium eriocephalum 

Native 

4 

Fabaceae 

Trifolium eriocephalum ssp. arcuatum 

Native 

- 

Fabaceae 

Trifolium fragiferum 

Exotic 

0 

Fabaceae 

Trifolium gymnocarpon 

Native 

- 

Fabaceae 

Trifolium haydenii 

Native 

4 

Fabaceae 

Trifolium hybridum 

Exotic 

0 

Fabaceae 

Trifolium latifolium 

Native 

- 

Fabaceae 

Trifolium longipes 

Native 

6 

Fabaceae 

Trifolium microcephalum 

Native 

1 

Fabaceae 

Trifolium nanum 

Native 

8 

Fabaceae 

Trifolium parryi 

Native 

7 

Fabaceae 

Trifolium pratense 

Exotic 

0 

Fabaceae 

Trifolium repens 

Exotic 

0 

Fabaceae 

Trifolium variegatum 

Native 

2 

Fabaceae 

Trifolium wormskioldii^ 


absent 

Juncaginaceae 

Triglochin maritima 

Native 

8 

Juncaginaceae 

Triglochin palustris 

Native 

7 

Liliaceae 

Trillium ovatum 

Native 

6 

Campanulaceae 

Triodanis leptocarpa 

Native 

- 

Campanulaceae 

Triodanis perfoliata 

Native 

1 

Asteraceae 

Tripleurospermum inodorum 

Exotic 

1 

Nyctaginaceae 

Tripterocalyx micranthus 

Native 

- 

Poaceae 

Trisetum canescens 

Native 

- 

Poaceae 

Trisetum cernuum 

Native 

4 

Poaceae 

Trisetum orthochaetum 

Native 

NA 

Poaceae 

Trisetum spicatum 

Native 

4 

Poaceae 

Trisetum wolfii 

Native 

4 

Liliaceae 

Triteleia grandiflora 

Native 

- 

Poaceae 

Triticum aestivum 

Exotic 

1 

Ranunculaceae 

Trollius albiflorus 
syn. Trollius laxus^ 

Native 

7 


B-57 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Pinaceae 

Tsuga heterophylla 

Native 

6 

Pinaceae 

Tsuga mertensiana 

Native 

8 

Brassicaceae 

Turritis glabra 

Exotic 

1 

Typhaceae 

Typha angustifolia 

Likely Native 

3 

Typhaceae 

Typha latifolia 

Native 

3 

Ulmaceae 

Ulmus americana 

Native 

9 

Ulmaceae 

Ulmus pumila 

Exotic 

0 

Urticaceae 

Urtica dioica 

Native 

3 

Urticaceae 

Urtica dioica ssp. gracilis 

Native 

- 

Urticaceae 

Urtica dioica ssp. holosericea 

Native 

- 

Lentibulariaceae 

Utricularia intemiedia 

Native 

10 

Lentibulariaceae 

Utricularia macrorhiza 

Native 

5 

Lentibulariaceae 

Utricularia minor 

Native 

10 

Lentibulariaceae 

Utricularia ochroleuca 

Native 

10 

Caryophyllaceae 

Vaccaria hispanica 

Exotic 

1 

Ericaceae 

Vaccinium cespitosum 

Native 

5 

Ericaceae 

Vaccinium membranaceum 

Native 

4 

Ericaceae 

Vaccinium myrtilloides 

Native 

6 

Ericaceae 

Vaccinium myrtillus 

Native 

4 

Ericaceae 

Vaccinium ovalifolium^ 


absent 

Ericaceae 

Vaccinium scoparium 

Native 

4 

Ericaceae 

Vaccinium uliginosum 

Native 

8 

Poaceae 

Vahlodea atropurpurea 

Native 

7 

Valeri anaceae 

Valeriana acutiloba 

Native 

7 

Valerianaceae 

Valeriana dioica 

Native 

5 

Valeri anaceae 

Valeriana edulis 

Native 

7 

Valerianaceae 

Valeriana occidentalis 

Native 

7 

Valerianaceae 

Valeriana scouleri 

Native 

NA 

Valerianaceae 

Valeriana sitchensis 

Native 

7 

Valerianaceae 

Valerianella locusta 

Exotic 

1 

Poaceae 

Ventenata dubia 

Exotic 

0 

Liliaceae 

Veratrum californicum 

Native 

4 

Liliaceae 

Veratrum viride 

Native 

7 

Scrophulariaceae 

Verbascum blattaria 

Exotic 

1 

Scrophulariaceae 

Verbascum thapsus 

Exotic 

0 

Verbenaceae 

Verbena bipinnatifida 

Unknown / 
Undetennined 

- 

Verbenaceae 

Verbena bracteata 

Native 

3 

Verbenaceae 

Verbena hastata 

Native 

6 

Verbenaceae 

Verbena stricta 

Unknown / 
Undetermined 

- 

Asteraceae 

Verbesina encelioides 

Likely Exotic 

1 

Plantaginaceae 

Veronica americana 

Native 

5 

Plantaginaceae 

Veronica anagallis-aquatica 

Exotic 

0 

Plantaginaceae 

Veronica arvensis 

Exotic 

0 

Plantaginaceae 

Veronica biloba 

Exotic 

1 

Plantaginaceae 

Veronica chamaedrys 

Exotic 

1 

Plantaginaceae 

Veronica cusickii 

Native 

7 

Plantaginaceae 

Veronica longifolia 

Exotic 

1 

Plantaginaceae 

Veronica officinalis 

Exotic 

0 

Plantaginaceae 

Veronica peregrina 

Native 

4 

Plantaginaceae 

Veronica persica 

Exotic 

1 

Plantaginaceae 

Veronica scutellata 

Native 

6 


B-58 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Plantaginaceae 

Veronica serpyllifolia 

Native/Exotic 

- 

Plantaginaceae 

Veronica serpyllifolia ssp. humifusa 

Native 

2 

Plantaginaceae 

Veronica serpyllifolia ssp. serpyllifolia 

Exotic 

0 

Plantaginaceae 

Veronica vema 

Exotic 

1 

Plantaginaceae 

Veronica wormskjoldii 

Native 

7 

Caprifoliaceae 

Viburnum edule 

Native 

8 

Caprifoliaceae 

Viburnum lantana 

Exotic 

1 

Caprifoliaceae 

Viburnum lentago 

Native 

6 

Caprifoliaceae 

Viburnum opulus 

Native 

1 

Fabaceae 

Vicia americana 

Native 

3 

Fabaceae 

Vicia americana ssp. americana 

Native 

- 

Fabaceae 

Vicia americana ssp. minor 

Native 

- 

Fabaceae 

Vicia cracca 

Exotic 

1 

Fabaceae 

Vicia sativa 

Exotic 

1 

Fabaceae 

Vicia tetrasperma 

Exotic 

1 

Fabaceae 

Vicia villosa 

Exotic 

1 

Asteraceae 

Viguiera multiflora 

Native 

- 

Violaceae 

Viola adunca 

Native 

5 

Violaceae 

Viola arvensis 

Exotic 

1 

Violaceae 

Viola canadensis 

Native 

4 

Violaceae 

Viola glabella 

Native 

4 

Violaceae 

Viola macloskeyi 

Native 

8 

Violaceae 

Viola nephrophylla 

Native 

8 

Violaceae 

Viola nuttallii 

Native 

- 

Violaceae 

Viola nuttallii var. praemorsa 

Native 

- 

Violaceae 

Viola nuttallii var. vallicola 

Native 

- 

Violaceae 

Viola orbiculata 

Native 

- 

Violaceae 

Viola palustris 

Native 

7 

Violaceae 

Viola pedatifida 

Native 

insuff. info. 

Violaceae 

Viola purpurea 

Native 

- 

Violaceae 

Viola renifolia 

Native 

8 

Violaceae 

Viola selkirkii 

Native 

- 

Violaceae 

Viola septentrionalis 

Native 

- 

Vitaceae 

Vitis riparia 

Native 

5 

Poaceae 

Vulpia bromoides 

Exotic 

1 

Poaceae 

Vulpia microstachys 

Unknown / 
Undetennined 

- 

Poaceae 

Vulpia myuros 

Exotic 

1 

Poaceae 

Vulpia octoflora 

Native 

3 

Rosaceae 

Waldsteinia idahoensis 

Native 

- 

Lemnaceae 

Wolffia borealis 

Native 

insuff. info. 

Lemnaceae 

Wolffia brasiliensis 

Native 

7 

Lemnaceae 

Wolffia Columbiana 

Native 

7 

Dryopteridaceae 

Woodsia oregana 

Native 

- 

Dryopteridaceae 

Woodsia scopulina 

Native 

- 

Asteraceae 

Wyethia amplexicaulis 

Native 

3 

Asteraceae 

Wyethia helianthoides 

Native 

2 

Asteraceae 

Wyethia scabra 

Native 

- 

Poaceae 

X Elyhordeum macouniP 

Unknown / 
Undetermined 

NA 

Asteraceae 

Xanthisma grindelioides 

Native 

- 

Asteraceae 

Xanthisma spinulosum 

Native 

4 

Asteraceae 

Xanthium spinosum 

Exotic 

1 


B-59 


























































FAMILY NAME 

SCIENTIFIC NAME* 

ORIGIN 

2015/2016 

C-VALUE^ 

Asteraceae 

Xanthium strumarium 

Native 

3 

Liliaceae 

Xerophyllum tenax 

Native 

5 

Asteraceae 

Xylorhiza glabriuscula 

Native 

- 

Agavaceae 

Yucca glauca 

Native 

- 

Zannichelliaceae 

Zannichellia palustris 

Native 

8 

Liliaceae 

Zigadenus elegans 

Native 

4 

Liliaceae 

Zigadenus paniculatus 

Unknown / 
Undetennined 

- 

Liliaceae 

Zigadenus venenosus 
syn. Toxicoscordion venenosum^ 

Native 

5 

Poaceae 

Zizania aquatica 

Exotic 

0 

Apiaceae 

Zizia aptera 

Native 

7 

Apiaceae 

Zizia aurea^ 


absent 

Zygophyllaceae 

Zygophyllum fabago 

Exotic 

1 


* Bolded species were evaluated by the 2016 panel. Non-bolded species were evaluated by the 2004-2005/2015 
panels (except for species marked as ‘ - ‘). 

^ Nomenclature used by the U.S. Army Corps of Engineers in the 2014 National Wetland Plant List. The 2016 
panel re-evaluated many species and synonyms with historical reporting of occurring in Montana. Not all 
synonyms are presented in table. 

^C-value codes: 1-10 defined in Table 3 and in Appendix A. ‘Absent’ means the species at this time is not 
documented to be present in Montana. ‘Insuff Info.’ means a c-value cannot be assigned because there are 
too few collections and/or insufficient information to evaluate its response to disturbance and habitat 
requirements; some specimens may need a re-determination of the species. ‘NA’ means a c-value is not 
applicable because the plant is a hybrid, is reported without verification to occur in Montana, and/or the 
species is taxonomically unclear. 


B-60